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Basics of Astronomy

  • Course type: Self-paced
  • Available Lessons: 325
  • Average Lesson Length: 8 min
  • Eligible for Certificate: Yes

    Certificates show that you have completed the course. They do not provide credit.

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    Units of Time: Solar, Sidereal & Synodic

  • Basics of Astronomy Practice Test

Course Summary

This comprehensive study guide course helps you quickly review the fundamentals of astronomy. Access these fun lessons and quizzes to improve your basic astronomy knowledge for upcoming exams, projects, homework or personal interest.
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28 chapters in Basics of Astronomy

Course Practice Test

Check your knowledge of this course with a 50-question practice test.
  • Comprehensive test covering all topics
  • Detailed video explanations for wrong answers
Week {{::cp.getGoalWeekForTopic(0, 28)}}
Ch 1. Celestial Navigation & Timekeeping {{cp.topicAssetIdToProgress[32534].percentComplete}}% complete
Course Progress Best Score
Lesson 1 - Units of Time: Solar, Sidereal & Synodic Score: {{cp.lessonAssetIdToProgress[32724].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[32724].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[32724].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[32724].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - Apparent Solar Time vs. Mean Solar Time Score: {{cp.lessonAssetIdToProgress[32536].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[32536].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[32536].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[32536].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - The Origin & Purpose of Leap Years Score: {{cp.lessonAssetIdToProgress[32537].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[32537].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[32537].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[32537].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - Importance of the Tropic of Cancer & the Tropic of Capricorn Score: {{cp.lessonAssetIdToProgress[32543].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[32543].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[32543].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[32543].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - The Global Positioning System and Its Uses Score: {{cp.lessonAssetIdToProgress[32544].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[32544].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[32544].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[32544].bestScoreQuestions}}  Take Quiz Optional
Week {{::cp.getGoalWeekForTopic(1, 28)}}
Ch 2. Characteristics of Our Solar System's Planets {{cp.topicAssetIdToProgress[20213].percentComplete}}% complete
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Lesson 1 - Inner Planets of the Solar System: Mercury, Venus, Earth & Mars Score: {{cp.lessonAssetIdToProgress[2963].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2963].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[2963].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2963].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - Outer Planets of the Solar System: Jupiter, Saturn, Uranus, Neptune Score: {{cp.lessonAssetIdToProgress[2967].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2967].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[2967].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2967].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - Jupiter's Important Properties Score: {{cp.lessonAssetIdToProgress[29094].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[29094].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[29094].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[29094].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - Saturn's Major Characteristics Score: {{cp.lessonAssetIdToProgress[29095].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[29095].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[29095].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[29095].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - Belt-Zone Circulation on Jovian Planets Score: {{cp.lessonAssetIdToProgress[35731].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[35731].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[35731].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[35731].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - Jupiter's & Saturn's Magnetospheres Score: {{cp.lessonAssetIdToProgress[35732].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[35732].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[35732].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[35732].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - Uranus's Moons, Rings, Atmosphere & Rotation Score: {{cp.lessonAssetIdToProgress[29096].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[29096].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[29096].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[29096].bestScoreQuestions}}  Take Quiz Optional
Lesson 8 - Neptune's Moons, Rings, Atmosphere & Temperature Score: {{cp.lessonAssetIdToProgress[29097].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[29097].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[29097].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[29097].bestScoreQuestions}}  Take Quiz Optional
Lesson 9 - Planetary Geology: The Study of Celestial Bodies Score: {{cp.lessonAssetIdToProgress[17922].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[17922].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[17922].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[17922].bestScoreQuestions}}  Take Quiz Optional
Week {{::cp.getGoalWeekForTopic(2, 28)}}
Ch 3. Earth's Spheres and Astronomy {{cp.topicAssetIdToProgress[20206].percentComplete}}% complete
Course Progress Best Score
Lesson 1 - Four Stages of Planetary Development Score: {{cp.lessonAssetIdToProgress[30363].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[30363].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[30363].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[30363].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - Formation of the Earth: Theories Score: {{cp.lessonAssetIdToProgress[2964].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2964].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[2964].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2964].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - The Four Spheres of Earth: Geosphere, Hydrosphere, Biosphere, and Atmosphere Score: {{cp.lessonAssetIdToProgress[13471].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[13471].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[13471].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[13471].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - Interactions of Earth's Spheres: Purpose and Examples Score: {{cp.lessonAssetIdToProgress[13472].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[13472].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[13472].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[13472].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - Major Components of the Atmosphere Score: {{cp.lessonAssetIdToProgress[12472].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[12472].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[12472].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[12472].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - The Structure of the Atmosphere Score: {{cp.lessonAssetIdToProgress[12473].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[12473].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[12473].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[12473].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - The General Circulation of the Atmosphere Score: {{cp.lessonAssetIdToProgress[11547].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[11547].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[11547].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[11547].bestScoreQuestions}}  Take Quiz Optional
Lesson 8 - The Dynamic Earth: Internal & External Forces that Shape Earth's Surface Score: {{cp.lessonAssetIdToProgress[2520].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2520].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[2520].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2520].bestScoreQuestions}}  Take Quiz Optional
Lesson 9 - Earth's Internal Layers: Crust, Mantle & Core Score: {{cp.lessonAssetIdToProgress[13473].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[13473].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[13473].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[13473].bestScoreQuestions}}  Take Quiz Optional
Lesson 10 - How Scientists Study Earth's Interior Structure Score: {{cp.lessonAssetIdToProgress[13475].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[13475].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[13475].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[13475].bestScoreQuestions}}  Take Quiz Optional
Lesson 11 - Plate Tectonics: A Unified Theory for Change of the Earth's Surface Score: {{cp.lessonAssetIdToProgress[2532].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2532].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[2532].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2532].bestScoreQuestions}}  Take Quiz Optional
Lesson 12 - Seismic Wave: Definition, Types & Frequency Score: {{cp.lessonAssetIdToProgress[17048].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[17048].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[17048].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[17048].bestScoreQuestions}}  Take Quiz Optional
Lesson 13 - Subduction Zone: Definition, Location & Example Score: {{cp.lessonAssetIdToProgress[17045].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[17045].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[17045].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[17045].bestScoreQuestions}}  Take Quiz Optional
Week {{::cp.getGoalWeekForTopic(3, 28)}}
Ch 4. Galaxies: Properties & Characteristics {{cp.topicAssetIdToProgress[27987].percentComplete}}% complete
Course Progress Best Score
Lesson 1 - The Collision & Assembly of Galaxies Score: {{cp.lessonAssetIdToProgress[27693].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[27693].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[27693].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[27693].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - The Distribution of Galaxy Properties Along the Hubble Tuning Fork Score: {{cp.lessonAssetIdToProgress[26459].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[26459].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[26459].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[26459].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - Types of Spiral Galaxies Score: {{cp.lessonAssetIdToProgress[26457].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[26457].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[26457].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[26457].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - Galaxy Collisions: Ring & Elliptical Galaxies Score: {{cp.lessonAssetIdToProgress[35743].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[35743].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[35743].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[35743].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - Links in the Cosmic Distance Ladder Score: {{cp.lessonAssetIdToProgress[26465].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[26465].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[26465].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[26465].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - Hubble's Law & Hubble's Constant Score: {{cp.lessonAssetIdToProgress[26467].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[26467].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[26467].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[26467].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - Measuring the Properties of Distant Galaxies Score: {{cp.lessonAssetIdToProgress[27583].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[27583].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[27583].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[27583].bestScoreQuestions}}  Take Quiz Optional
Lesson 8 - Characteristics of Stars' Orbits in the Galaxy Score: {{cp.lessonAssetIdToProgress[26460].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[26460].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[26460].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[26460].bestScoreQuestions}}  Take Quiz Optional
Lesson 9 - Dark Matter & Gravitational Lensing Score: {{cp.lessonAssetIdToProgress[27917].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[27917].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[27917].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[27917].bestScoreQuestions}}  Take Quiz Optional
Lesson 10 - What Are the Different Types of Galaxy Clusters? Score: {{cp.lessonAssetIdToProgress[27692].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[27692].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[27692].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[27692].bestScoreQuestions}}  Take Quiz Optional
Lesson 11 - What are Active Galactic Nuclei? Score: {{cp.lessonAssetIdToProgress[27893].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[27893].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[27893].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[27893].bestScoreQuestions}}  Take Quiz Optional
Lesson 12 - Seyfert Galaxies & Double-Lobed Radio Galaxies Score: {{cp.lessonAssetIdToProgress[35744].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[35744].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[35744].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[35744].bestScoreQuestions}}  Take Quiz Optional
Lesson 13 - What Are Quasars? Score: {{cp.lessonAssetIdToProgress[27694].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[27694].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[27694].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[27694].bestScoreQuestions}}  Take Quiz Optional
Lesson 14 - What Are Supermassive Black Holes? Score: {{cp.lessonAssetIdToProgress[26470].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[26470].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[26470].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[26470].bestScoreQuestions}}  Take Quiz Optional
Lesson 15 - Active Galactic Nuclei & the Unified Model Score: {{cp.lessonAssetIdToProgress[35745].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[35745].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[35745].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[35745].bestScoreQuestions}}  Take Quiz Optional
Week {{::cp.getGoalWeekForTopic(4, 28)}}
Ch 5. How Scientists Think and Work {{cp.topicAssetIdToProgress[20199].percentComplete}}% complete
Course Progress Best Score
Lesson 1 - The Nature of Science Score: {{cp.lessonAssetIdToProgress[20925].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[20925].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[20925].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[20925].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - What is Scientific Research? Score: {{cp.lessonAssetIdToProgress[20927].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[20927].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[20927].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[20927].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - The Scientific Method: Steps, Terms & Examples Score: {{cp.lessonAssetIdToProgress[3604].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3604].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[3604].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3604].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - What Are The Different Kinds of Research Methods? Score: {{cp.lessonAssetIdToProgress[20928].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[20928].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[20928].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[20928].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - Research Variables: Dependent, Independent, Control, Extraneous & Moderator Score: {{cp.lessonAssetIdToProgress[11764].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[11764].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[11764].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[11764].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - Formulating the Research Hypothesis and Null Hypothesis Score: {{cp.lessonAssetIdToProgress[11762].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[11762].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[11762].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[11762].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - Inductive vs. Deductive Reasoning: Differences & Examples Score: {{cp.lessonAssetIdToProgress[11763].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[11763].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[11763].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[11763].bestScoreQuestions}}  Take Quiz Optional
Lesson 8 - Occam's Razor as a Scientific Principle Score: {{cp.lessonAssetIdToProgress[20926].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[20926].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[20926].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[20926].bestScoreQuestions}}  Take Quiz Optional
Week {{::cp.getGoalWeekForTopic(5, 28)}}
Ch 6. Influences on Climate {{cp.topicAssetIdToProgress[20208].percentComplete}}% complete
Course Progress Best Score
Lesson 1 - Weather vs. Climate: Definition, Differences & Effects Score: {{cp.lessonAssetIdToProgress[11544].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[11544].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[11544].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[11544].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - Weather Variables: Air Pressure, Temperature & Density Score: {{cp.lessonAssetIdToProgress[11546].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[11546].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[11546].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[11546].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - Climate Classifications & Their Global Distribution Score: {{cp.lessonAssetIdToProgress[12480].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[12480].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[12480].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[12480].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - Factors Involved in Climate Change Score: {{cp.lessonAssetIdToProgress[45290].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[45290].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[45290].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[45290].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - Natural Factors That Determine a Region's Climate Score: {{cp.lessonAssetIdToProgress[2522].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2522].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[2522].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2522].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - Global Warming: Atmospheric Causes and Effect on Climate Score: {{cp.lessonAssetIdToProgress[2523].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2523].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[2523].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2523].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - The Ozone Layer: Importance and the Harmful Effects of Thinning Score: {{cp.lessonAssetIdToProgress[10323].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[10323].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[10323].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[10323].bestScoreQuestions}}  Take Quiz Optional
Lesson 8 - Greenhouse Gases and the Enhanced Greenhouse Effect Score: {{cp.lessonAssetIdToProgress[10321].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[10321].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[10321].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[10321].bestScoreQuestions}}  Take Quiz Optional
Lesson 9 - Causes of Glaciation Score: {{cp.lessonAssetIdToProgress[13577].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[13577].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[13577].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[13577].bestScoreQuestions}}  Take Quiz Optional
Week {{::cp.getGoalWeekForTopic(6, 28)}}
Ch 7. Life in the Universe {{cp.topicAssetIdToProgress[20215].percentComplete}}% complete
Course Progress Best Score
Lesson 1 - The Basic Nature of Life Score: {{cp.lessonAssetIdToProgress[28131].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[28131].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[28131].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[28131].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - Comparing the Human Lifetime to the Universe Score: {{cp.lessonAssetIdToProgress[28129].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[28129].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[28129].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[28129].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - The Origin of Life on Earth: Theories and Explanations Score: {{cp.lessonAssetIdToProgress[3123].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3123].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[3123].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3123].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - Geologic Time Scale: Major Eons, Eras, Periods and Epochs Score: {{cp.lessonAssetIdToProgress[8866].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[8866].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[8866].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[8866].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - The History of Life on Earth: Timeline and Characteristics of Major Eras Score: {{cp.lessonAssetIdToProgress[3124].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3124].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[3124].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3124].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - Theories of Evolution: Lamarck vs. Darwin Score: {{cp.lessonAssetIdToProgress[419].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[419].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[419].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[419].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - Natural Selection & Adaptation: Definition, Theory & Examples Score: {{cp.lessonAssetIdToProgress[425].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[425].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[425].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[425].bestScoreQuestions}}  Take Quiz Optional
Lesson 8 - Natural Selection: Definition, Types & Examples Score: {{cp.lessonAssetIdToProgress[427].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[427].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[427].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[427].bestScoreQuestions}}  Take Quiz Optional
Lesson 9 - Intelligent Life in Our Universe Score: {{cp.lessonAssetIdToProgress[28710].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[28710].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[28710].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[28710].bestScoreQuestions}}  Take Quiz Optional
Lesson 10 - Is There Life on Other Planets? Score: {{cp.lessonAssetIdToProgress[28711].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[28711].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[28711].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[28711].bestScoreQuestions}}  Take Quiz Optional
Lesson 11 - Planetary Predictors of Extraterrestrial Life Score: {{cp.lessonAssetIdToProgress[2966].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2966].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[2966].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2966].bestScoreQuestions}}  Take Quiz Optional
Lesson 12 - Planets Around Distant Stars Score: {{cp.lessonAssetIdToProgress[29103].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[29103].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[29103].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[29103].bestScoreQuestions}}  Take Quiz Optional
Lesson 13 - Space Mission Types: Advantages & Disadvantages Score: {{cp.lessonAssetIdToProgress[28139].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[28139].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[28139].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[28139].bestScoreQuestions}}  Take Quiz Optional
Lesson 14 - Stanley Miller: Theory, Experiment & Apparatus Score: {{cp.lessonAssetIdToProgress[8393].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[8393].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[8393].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[8393].bestScoreQuestions}}  Take Quiz Optional
Week {{::cp.getGoalWeekForTopic(7, 28)}}
Ch 8. Light in Astronomy {{cp.topicAssetIdToProgress[20217].percentComplete}}% complete
Course Progress Best Score
Lesson 1 - Wave Parameters: Wavelength, Amplitude, Period, Frequency & Speed Score: {{cp.lessonAssetIdToProgress[5506].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[5506].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[5506].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[5506].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - What is Light? Score: {{cp.lessonAssetIdToProgress[31423].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[31423].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[31423].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[31423].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - The Speed of Light: Distance & Light-Years Score: {{cp.lessonAssetIdToProgress[31428].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[31428].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[31428].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[31428].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - The Nature of Light: Origin, Spectrum & Color Frequency Score: {{cp.lessonAssetIdToProgress[4914].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[4914].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[4914].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[4914].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - Electromagnetic Waves: Definition, Sources & Properties Score: {{cp.lessonAssetIdToProgress[4913].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[4913].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[4913].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[4913].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - The 7 Major Regions of the Electromagnetic Spectrum Score: {{cp.lessonAssetIdToProgress[6836].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[6836].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[6836].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[6836].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - Reflection: Angle of Incidence and Curved Surfaces Score: {{cp.lessonAssetIdToProgress[4915].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[4915].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[4915].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[4915].bestScoreQuestions}}  Take Quiz Optional
Lesson 8 - Refraction & Dispersion: Definition, Snell's Law & Index of Refraction Score: {{cp.lessonAssetIdToProgress[4919].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[4919].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[4919].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[4919].bestScoreQuestions}}  Take Quiz Optional
Lesson 9 - Diffraction: Relation to Sound & Light and Effects of Wavelength Score: {{cp.lessonAssetIdToProgress[4920].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[4920].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[4920].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[4920].bestScoreQuestions}}  Take Quiz Optional
Lesson 10 - Resonance: Definition & Transmission of Waves Score: {{cp.lessonAssetIdToProgress[4916].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[4916].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[4916].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[4916].bestScoreQuestions}}  Take Quiz Optional
Lesson 11 - Color: White Light, Reflection & Absorption Score: {{cp.lessonAssetIdToProgress[4918].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[4918].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[4918].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[4918].bestScoreQuestions}}  Take Quiz Optional
Lesson 12 - Transparent and Opaque Materials in Electromagnetic Waves Score: {{cp.lessonAssetIdToProgress[4917].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[4917].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[4917].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[4917].bestScoreQuestions}}  Take Quiz Optional
Lesson 13 - Wave-Particle Duality: Concept, Explanation & Examples Score: {{cp.lessonAssetIdToProgress[4923].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[4923].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[4923].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[4923].bestScoreQuestions}}  Take Quiz Optional
Lesson 14 - How Light & Matter Interact Score: {{cp.lessonAssetIdToProgress[31420].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[31420].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[31420].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[31420].bestScoreQuestions}}  Take Quiz Optional
Lesson 15 - Blackbody & Blackbody Radiation Theory Score: {{cp.lessonAssetIdToProgress[32371].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[32371].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[32371].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[32371].bestScoreQuestions}}  Take Quiz Optional
Lesson 16 - What Are Wien's Law & the Stefan-Boltzmann Law? Score: {{cp.lessonAssetIdToProgress[32372].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[32372].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[32372].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[32372].bestScoreQuestions}}  Take Quiz Optional
Lesson 17 - Calculations with Wien's Law & the Stefan-Boltzmann Law Score: {{cp.lessonAssetIdToProgress[32373].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[32373].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[32373].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[32373].bestScoreQuestions}}  Take Quiz Optional
Lesson 18 - Quantum Physics: Definition, Theories & Topics Score: {{cp.lessonAssetIdToProgress[16919].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[16919].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[16919].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[16919].bestScoreQuestions}}  Take Quiz Optional
Lesson 19 - What is a Photon? - Definition, Energy & Wavelength Score: {{cp.lessonAssetIdToProgress[10887].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[10887].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[10887].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[10887].bestScoreQuestions}}  Take Quiz Optional
Week {{::cp.getGoalWeekForTopic(8, 28)}}
Ch 9. Matter in Astronomy {{cp.topicAssetIdToProgress[20200].percentComplete}}% complete
Course Progress Best Score
Lesson 1 - Matter: Physical and Chemical Properties Score: {{cp.lessonAssetIdToProgress[1603].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[1603].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[1603].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[1603].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - States of Matter: Solids, Liquids, Gases, & Plasma Score: {{cp.lessonAssetIdToProgress[5362].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[5362].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[5362].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[5362].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - Phase Change: Evaporation, Condensation, Freezing, Melting, Sublimation & Deposition Score: {{cp.lessonAssetIdToProgress[5363].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[5363].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[5363].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[5363].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - The Atom Score: {{cp.lessonAssetIdToProgress[277].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[277].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[277].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[277].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - The Bohr Model and Atomic Spectra Score: {{cp.lessonAssetIdToProgress[1612].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[1612].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[1612].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[1612].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - Atomic Number and Mass Number Score: {{cp.lessonAssetIdToProgress[1607].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[1607].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[1607].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[1607].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - What Are Elements? Score: {{cp.lessonAssetIdToProgress[3218].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3218].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[3218].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3218].bestScoreQuestions}}  Take Quiz Optional
Lesson 8 - The Periodic Table: Properties of Groups and Periods Score: {{cp.lessonAssetIdToProgress[1614].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[1614].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[1614].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[1614].bestScoreQuestions}}  Take Quiz Optional
Lesson 9 - Understanding the Relationships between Elements, Molecules & Compounds Score: {{cp.lessonAssetIdToProgress[19236].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[19236].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[19236].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[19236].bestScoreQuestions}}  Take Quiz Optional
Week {{::cp.getGoalWeekForTopic(9, 28)}}
Ch 10. Measurement of Star Qualities {{cp.topicAssetIdToProgress[20937].percentComplete}}% complete
Course Progress Best Score
Lesson 1 - Kirchhoff's Laws and Star Spectra Score: {{cp.lessonAssetIdToProgress[21194].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[21194].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[21194].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[21194].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - Electron Transitions & Spectral Lines Score: {{cp.lessonAssetIdToProgress[32375].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[32375].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[32375].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[32375].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - The Doppler Effect and Star Spectra Score: {{cp.lessonAssetIdToProgress[21491].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[21491].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[21491].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[21491].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - Measuring The Distance to a Star Score: {{cp.lessonAssetIdToProgress[20939].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[20939].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[20939].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[20939].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - The Brightness Of Stars Score: {{cp.lessonAssetIdToProgress[20941].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[20941].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[20941].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[20941].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - Relating a Star's Brightness to Luminosity Score: {{cp.lessonAssetIdToProgress[20942].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[20942].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[20942].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[20942].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - Using the Magnitude Scale to Compare Star Brightness Score: {{cp.lessonAssetIdToProgress[32682].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[32682].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[32682].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[32682].bestScoreQuestions}}  Take Quiz Optional
Lesson 8 - Determining the Temperature of a Star Score: {{cp.lessonAssetIdToProgress[21188].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[21188].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[21188].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[21188].bestScoreQuestions}}  Take Quiz Optional
Lesson 9 - The Spectral Sequence and Temperature Score: {{cp.lessonAssetIdToProgress[20945].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[20945].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[20945].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[20945].bestScoreQuestions}}  Take Quiz Optional
Lesson 10 - Stars' Luminosity Classes & Stellar Classifications Score: {{cp.lessonAssetIdToProgress[35733].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[35733].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[35733].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[35733].bestScoreQuestions}}  Take Quiz Optional
Lesson 11 - How to Find the Size of a Star Score: {{cp.lessonAssetIdToProgress[20938].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[20938].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[20938].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[20938].bestScoreQuestions}}  Take Quiz Optional
Lesson 12 - Spectroscopy and the Chemical Characteristics of Stars Score: {{cp.lessonAssetIdToProgress[21195].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[21195].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[21195].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[21195].bestScoreQuestions}}  Take Quiz Optional
Lesson 13 - Uses of the Balmer Thermometer in Astronomy Score: {{cp.lessonAssetIdToProgress[35734].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[35734].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[35734].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[35734].bestScoreQuestions}}  Take Quiz Optional
Lesson 14 - Spectroscopic Parallax: Definition & Uses Score: {{cp.lessonAssetIdToProgress[35735].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[35735].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[35735].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[35735].bestScoreQuestions}}  Take Quiz Optional
Lesson 15 - Relationship Between a Star's Mass, Luminosity, & Density Score: {{cp.lessonAssetIdToProgress[35736].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[35736].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[35736].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[35736].bestScoreQuestions}}  Take Quiz Optional
Lesson 16 - Brown Dwarfs: L, T, & Y Dwarfs Score: {{cp.lessonAssetIdToProgress[37320].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[37320].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[37320].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[37320].bestScoreQuestions}}  Take Quiz Optional
Week {{::cp.getGoalWeekForTopic(10, 28)}}
Ch 11. Momentum, Energy, Pressure, Temperature & Gas {{cp.topicAssetIdToProgress[20205].percentComplete}}% complete
Course Progress Best Score
Lesson 1 - Linear Momentum: Definition, Equation, and Examples Score: {{cp.lessonAssetIdToProgress[15928].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[15928].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[15928].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[15928].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - Conservation of Linear Momentum: Formula and Examples Score: {{cp.lessonAssetIdToProgress[15930].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[15930].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[15930].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[15930].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - What is Energy? - Definition and Significance in Nature Score: {{cp.lessonAssetIdToProgress[2537].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2537].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[2537].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2537].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - Kinetic Energy to Potential Energy: Relationship in Different Energy Types Score: {{cp.lessonAssetIdToProgress[2545].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2545].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[2545].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2545].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - What is Mechanical Energy? - Definition & Examples Score: {{cp.lessonAssetIdToProgress[2538].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2538].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[2538].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2538].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - Conservation of Mechanical Energy Score: {{cp.lessonAssetIdToProgress[14612].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[14612].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[14612].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[14612].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - What is Thermal Energy? - Definition & Examples Score: {{cp.lessonAssetIdToProgress[2539].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2539].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[2539].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2539].bestScoreQuestions}}  Take Quiz Optional
Lesson 8 - Temperature Units: Converting Between Kelvins and Celsius Score: {{cp.lessonAssetIdToProgress[2480].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2480].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[2480].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2480].bestScoreQuestions}}  Take Quiz Optional
Lesson 9 - Changes in Heat and Energy Diagrams Score: {{cp.lessonAssetIdToProgress[2549].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2549].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[2549].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2549].bestScoreQuestions}}  Take Quiz Optional
Lesson 10 - Pressure: Definition, Units, and Conversions Score: {{cp.lessonAssetIdToProgress[1651].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[1651].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[1651].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[1651].bestScoreQuestions}}  Take Quiz Optional
Lesson 11 - Atmospheric Pressure: Definition & Effects Score: {{cp.lessonAssetIdToProgress[9480].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[9480].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[9480].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[9480].bestScoreQuestions}}  Take Quiz Optional
Lesson 12 - Dalton's Law of Partial Pressures: Calculating Partial & Total Pressures Score: {{cp.lessonAssetIdToProgress[1652].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[1652].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[1652].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[1652].bestScoreQuestions}}  Take Quiz Optional
Lesson 13 - The Ideal Gas Law and the Gas Constant Score: {{cp.lessonAssetIdToProgress[1656].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[1656].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[1656].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[1656].bestScoreQuestions}}  Take Quiz Optional
Lesson 14 - Using the Ideal Gas Law: Calculate Pressure, Volume, Temperature, or Quantity of a Gas Score: {{cp.lessonAssetIdToProgress[1657].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[1657].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[1657].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[1657].bestScoreQuestions}}  Take Quiz Optional
Week {{::cp.getGoalWeekForTopic(11, 28)}}
Ch 12. Newton's Laws in Astronomy {{cp.topicAssetIdToProgress[20202].percentComplete}}% complete
Course Progress Best Score
Lesson 1 - Newton's First Law of Motion: Examples of the Effect of Force on Motion Score: {{cp.lessonAssetIdToProgress[2555].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2555].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[2555].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2555].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - Newton's Second Law of Motion: The Relationship Between Force and Acceleration Score: {{cp.lessonAssetIdToProgress[2556].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2556].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[2556].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2556].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - Newton's Third Law of Motion: Examples of the Relationship Between Two Forces Score: {{cp.lessonAssetIdToProgress[2557].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2557].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[2557].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2557].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - Newton's Laws and Weight, Mass & Gravity Score: {{cp.lessonAssetIdToProgress[2558].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2558].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[2558].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2558].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - The Law of Universal Gravitation: Definition, Importance & Examples Score: {{cp.lessonAssetIdToProgress[19244].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[19244].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[19244].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[19244].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - Newton's Law of Gravitation: Definition & Examples Score: {{cp.lessonAssetIdToProgress[33242].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[33242].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[33242].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[33242].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - Force: Definition and Types Score: {{cp.lessonAssetIdToProgress[14597].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[14597].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[14597].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[14597].bestScoreQuestions}}  Take Quiz Optional
Lesson 8 - Work as an Integral Score: {{cp.lessonAssetIdToProgress[33244].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[33244].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[33244].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[33244].bestScoreQuestions}}  Take Quiz Optional
Lesson 9 - Mass and Weight: Differences and Calculations Score: {{cp.lessonAssetIdToProgress[14595].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[14595].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[14595].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[14595].bestScoreQuestions}}  Take Quiz Optional
Lesson 10 - The Normal Force: Definition and Examples Score: {{cp.lessonAssetIdToProgress[14605].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[14605].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[14605].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[14605].bestScoreQuestions}}  Take Quiz Optional
Lesson 11 - Friction: Definition and Types Score: {{cp.lessonAssetIdToProgress[14606].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[14606].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[14606].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[14606].bestScoreQuestions}}  Take Quiz Optional
Lesson 12 - Forces: Balanced and Unbalanced Score: {{cp.lessonAssetIdToProgress[14599].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[14599].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[14599].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[14599].bestScoreQuestions}}  Take Quiz Optional
Lesson 13 - Identifying Action and Reaction Force Pairs Score: {{cp.lessonAssetIdToProgress[14604].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[14604].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[14604].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[14604].bestScoreQuestions}}  Take Quiz Optional
Lesson 14 - Net Force: Definition and Calculations Score: {{cp.lessonAssetIdToProgress[14600].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[14600].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[14600].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[14600].bestScoreQuestions}}  Take Quiz Optional
Lesson 15 - Determining the Individual Forces Acting Upon an Object Score: {{cp.lessonAssetIdToProgress[14602].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[14602].bestScoreQuestions}}  Take Quiz Optional
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Lesson 16 - Free-Body Diagrams Score: {{cp.lessonAssetIdToProgress[14598].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[14598].bestScoreQuestions}}  Take Quiz Optional
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Lesson 17 - Distinguishing Between Inertia and Mass Score: {{cp.lessonAssetIdToProgress[14594].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[14594].bestScoreQuestions}}  Take Quiz Optional
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Lesson 18 - State of Motion and Velocity Score: {{cp.lessonAssetIdToProgress[14596].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[14596].bestScoreQuestions}}  Take Quiz Optional
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Lesson 19 - Determining the Acceleration of an Object Score: {{cp.lessonAssetIdToProgress[14601].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[14601].bestScoreQuestions}}  Take Quiz Optional
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Lesson 20 - Air Resistance and Free Fall Score: {{cp.lessonAssetIdToProgress[14603].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[14603].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[14603].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[14603].bestScoreQuestions}}  Take Quiz Optional
Lesson 21 - Gravitational Potential Energy: Definition, Formula & Examples Score: {{cp.lessonAssetIdToProgress[28414].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[28414].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[28414].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[28414].bestScoreQuestions}}  Take Quiz Optional
Lesson 22 - Gravitational Attraction of Extended Bodies