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Intro to Astronomy: Help and Review

  • Course type: Self-paced
  • Available Lessons: 356
  • Average Lesson Length: 8 min
  • Eligible for Certificate: Yes

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    The Scientific Field of Astronomy
    chapter 1 / lesson 1
    The Scientific Field of Astronomy

  • Intro to Astronomy: Help and Review Practice Test

Course Summary

Improve your knowledge of fundamental astronomy concepts with our engaging and self-paced Intro to Astronomy: Help and Review course. These short lessons and quizzes can help you quickly bring up your astronomy grades, finish homework assignments or get ready for upcoming exams.
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28 chapters in Intro to Astronomy: Help and Review

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. The History of Astronomy: Help and Review {{cp.topicAssetIdToProgress[23992].percentComplete}}% complete
Course Progress Best Score
Lesson 1 - The Scientific Field of Astronomy Score: {{cp.lessonAssetIdToProgress[19913].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[19913].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[19913].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[19913].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - The Ancient Study of Astronomy Score: {{cp.lessonAssetIdToProgress[19966].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[19966].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[19966].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[19966].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - The Constellations: Definition & Name Origins Score: {{cp.lessonAssetIdToProgress[19967].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[19967].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[19967].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[19967].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - What is Astrology? Score: {{cp.lessonAssetIdToProgress[19968].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[19968].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[19968].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[19968].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - The Zodiac Constellations & Their Visibility in the Sky Score: {{cp.lessonAssetIdToProgress[19969].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[19969].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[19969].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[19969].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - Telling Time in Ancient Times Score: {{cp.lessonAssetIdToProgress[19970].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[19970].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[19970].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[19970].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - The Lunar Calendar & Metonic Cycle Score: {{cp.lessonAssetIdToProgress[19971].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[19971].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[19971].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[19971].bestScoreQuestions}}  Take Quiz Optional
Lesson 8 - The Connection Between the Seven Days of the Week & Astronomical Objects Score: {{cp.lessonAssetIdToProgress[19972].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[19972].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[19972].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[19972].bestScoreQuestions}}  Take Quiz Optional
Lesson 9 - Geocentric, Heliocentric & Ptolemaic Models of the Universe Score: {{cp.lessonAssetIdToProgress[19973].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[19973].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[19973].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[19973].bestScoreQuestions}}  Take Quiz Optional
Lesson 10 - The Copernican Revolution Score: {{cp.lessonAssetIdToProgress[19974].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[19974].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[19974].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[19974].bestScoreQuestions}}  Take Quiz Optional
Lesson 11 - Tycho Brahe's Contribution to Astronomy Score: {{cp.lessonAssetIdToProgress[19975].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[19975].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[19975].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[19975].bestScoreQuestions}}  Take Quiz Optional
Lesson 12 - Kepler's Three Laws of Planetary Motion Score: {{cp.lessonAssetIdToProgress[19976].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[19976].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[19976].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[19976].bestScoreQuestions}}  Take Quiz Optional
Lesson 13 - Galileo, the Telescope & the Church Score: {{cp.lessonAssetIdToProgress[1160].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[1160].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[1160].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[1160].bestScoreQuestions}}  Take Quiz Optional
Lesson 14 - Sir Isaac Newton And Astronomy Score: {{cp.lessonAssetIdToProgress[19977].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[19977].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[19977].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[19977].bestScoreQuestions}}  Take Quiz Optional
Lesson 15 - Origins of the Julian & Gregorian Calendars Score: {{cp.lessonAssetIdToProgress[32538].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[32538].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[32538].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[32538].bestScoreQuestions}}  Take Quiz Optional
Lesson 16 - Johannes Kepler: Biography, Facts & Discoveries Score: {{cp.lessonAssetIdToProgress[28439].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[28439].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[28439].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[28439].bestScoreQuestions}}  Take Quiz Optional
Lesson 17 - What is Astronomy? - Definition, History, Timeline & Facts Score: {{cp.lessonAssetIdToProgress[16939].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[16939].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[16939].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[16939].bestScoreQuestions}}  Take Quiz Optional
Lesson 18 - What is Science? - Definition, Topics & Branches Score: {{cp.lessonAssetIdToProgress[16954].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[16954].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[16954].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[16954].bestScoreQuestions}}  Take Quiz Optional
Week {{::cp.getGoalWeekForTopic(1, 28)}}
Ch 2. How Scientists Think and Work: Help and Review {{cp.topicAssetIdToProgress[23993].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 - 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
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 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 5 - 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 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 - 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 9 - Sir John Herschel: Biography & Photography Score: {{cp.lessonAssetIdToProgress[17421].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[17421].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[17421].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[17421].bestScoreQuestions}}  Take Quiz Optional
Week {{::cp.getGoalWeekForTopic(2, 28)}}
Ch 3. Matter, Energy, and Astronomy: Help and Review {{cp.topicAssetIdToProgress[23994].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 - 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 6 - 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 7 - 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 8 - 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
Lesson 9 - 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 10 - Accretion: Definition & Theory Score: {{cp.lessonAssetIdToProgress[54646].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[54646].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[54646].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[54646].bestScoreQuestions}}  Take Quiz Optional
Week {{::cp.getGoalWeekForTopic(3, 28)}}
Ch 4. Light in Astronomy: Help and Review {{cp.topicAssetIdToProgress[23995].percentComplete}}% complete
Course Progress Best Score
Lesson 1 - 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 2 - 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 3 - 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 4 - 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 5 - 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 6 - 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 7 - 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 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 - 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 11 - 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 12 - 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 13 - 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
Lesson 14 - 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 15 - 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 16 - 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 17 - 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 18 - 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 19 - 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
Week {{::cp.getGoalWeekForTopic(4, 28)}}
Ch 5. Newton's Laws in Astronomy: Help and Review {{cp.topicAssetIdToProgress[23996].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 - Distinguishing Between Inertia and Mass Score: {{cp.lessonAssetIdToProgress[14594].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[14594].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[14594].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[14594].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - 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 4 - State of Motion and Velocity Score: {{cp.lessonAssetIdToProgress[14596].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[14596].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[14596].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[14596].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - 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 6 - 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 7 - Free-Body Diagrams Score: {{cp.lessonAssetIdToProgress[14598].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[14598].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[14598].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[14598].bestScoreQuestions}}  Take Quiz Optional
Lesson 8 - 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 9 - 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 10 - Determining the Acceleration of an Object Score: {{cp.lessonAssetIdToProgress[14601].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[14601].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[14601].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[14601].bestScoreQuestions}}  Take Quiz Optional
Lesson 11 - Determining the Individual Forces Acting Upon an Object Score: {{cp.lessonAssetIdToProgress[14602].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[14602].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[14602].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[14602].bestScoreQuestions}}  Take Quiz Optional
Lesson 12 - 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 13 - 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 14 - 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 15 - 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 16 - 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 17 - 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 18 - 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 19 - 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 20 - 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 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 Score: {{cp.lessonAssetIdToProgress[33243].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[33243].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[33243].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[33243].bestScoreQuestions}}  Take Quiz Optional
Week {{::cp.getGoalWeekForTopic(5, 28)}}
Ch 6. Rotational Motion and Astronomy: Help and Review {{cp.topicAssetIdToProgress[55045].percentComplete}}% complete
Course Progress Best Score
Lesson 1 - Differences Between Translational & Rotational Motion Score: {{cp.lessonAssetIdToProgress[31863].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[31863].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[31863].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[31863].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - Rotational Kinematics: Definition & Equations Score: {{cp.lessonAssetIdToProgress[31864].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[31864].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[31864].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[31864].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - Five Kinematics Quantities & the Big 5 Equations Score: {{cp.lessonAssetIdToProgress[32136].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[32136].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[32136].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[32136].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - Torque: Concept, Equation & Example Score: {{cp.lessonAssetIdToProgress[31865].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[31865].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[31865].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[31865].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - Rotational Inertia & Change of Speed Score: {{cp.lessonAssetIdToProgress[31866].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[31866].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[31866].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[31866].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - Kinetic Energy of Rotation Score: {{cp.lessonAssetIdToProgress[31868].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[31868].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[31868].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[31868].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - Rolling Motion & the Moment of Inertia Score: {{cp.lessonAssetIdToProgress[31869].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[31869].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[31869].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[31869].bestScoreQuestions}}  Take Quiz Optional
Lesson 8 - Work & Power in Rotational Motion Score: {{cp.lessonAssetIdToProgress[31870].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[31870].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[31870].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[31870].bestScoreQuestions}}  Take Quiz Optional
Lesson 9 - Angular Momentum vs. Linear Momentum Score: {{cp.lessonAssetIdToProgress[31871].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[31871].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[31871].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[31871].bestScoreQuestions}}  Take Quiz Optional
Lesson 10 - Conservation of Angular Momentum Score: {{cp.lessonAssetIdToProgress[31872].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[31872].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[31872].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[31872].bestScoreQuestions}}  Take Quiz Optional
Lesson 11 - Equilibrium: Translational & Rotational Score: {{cp.lessonAssetIdToProgress[31882].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[31882].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[31882].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[31882].bestScoreQuestions}}  Take Quiz Optional
Week {{::cp.getGoalWeekForTopic(6, 28)}}
Ch 7. Orbits, Tides, and Gravity: Help and Review {{cp.topicAssetIdToProgress[23997].percentComplete}}% complete
Course Progress Best Score
Lesson 1 - Free Fall Physics Practice Problems Score: {{cp.lessonAssetIdToProgress[15068].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[15068].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[15068].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[15068].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - The Acceleration of Gravity: Definition & Formula Score: {{cp.lessonAssetIdToProgress[15070].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[15070].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[15070].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[15070].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - The Four Kinds of Trajectories for Celestial Objects Score: {{cp.lessonAssetIdToProgress[32376].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[32376].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[32376].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[32376].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - Elliptical Orbits: Periods & Speeds Score: {{cp.lessonAssetIdToProgress[33245].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[33245].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[33245].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[33245].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - Eccentricity & Orbits of Planets Score: {{cp.lessonAssetIdToProgress[33278].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[33278].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[33278].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[33278].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - Center of Mass, The Barycenter & Orbital Motion Score: {{cp.lessonAssetIdToProgress[35728].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[35728].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[35728].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[35728].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - Circular Velocity & Escape Velocity Score: {{cp.lessonAssetIdToProgress[35729].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[35729].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[35729].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[35729].bestScoreQuestions}}  Take Quiz Optional
Lesson 8 - How Orbits Are Influenced by Gravity & Energy Score: {{cp.lessonAssetIdToProgress[31429].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[31429].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[31429].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[31429].bestScoreQuestions}}  Take Quiz Optional
Lesson 9 - Kepler's Laws, Ellipses, and Eccentricity Score: {{cp.lessonAssetIdToProgress[37319].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[37319].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[37319].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[37319].bestScoreQuestions}}  Take Quiz Optional
Lesson 10 - Planets of the Solar System: Orbits & Visibility Score: {{cp.lessonAssetIdToProgress[35730].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[35730].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[35730].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[35730].bestScoreQuestions}}  Take Quiz Optional
Week {{::cp.getGoalWeekForTopic(7, 28)}}
Ch 8. Relativity in Time and Space: Help and Review {{cp.topicAssetIdToProgress[23998].percentComplete}}% complete
Course Progress Best Score
Lesson 1 - Classical Relativity: Distance and Time Relation to the Observer Score: {{cp.lessonAssetIdToProgress[3229].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3229].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[3229].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3229].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - Light and Relativity: Breakdown of Classical Relativity with Light Example Score: {{cp.lessonAssetIdToProgress[3230].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3230].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[3230].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3230].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - Time Dilation: Description, Explanation & Examples Score: {{cp.lessonAssetIdToProgress[3231].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3231].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[3231].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3231].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - Space Contraction: Shortening Distance for Fast Moving Objects Score: {{cp.lessonAssetIdToProgress[3232].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3232].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[3232].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3232].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - Mass and Energy: Description and Interchangeable Relationship Score: {{cp.lessonAssetIdToProgress[3233].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3233].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[3233].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3233].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - General and Special Relativity: Theory and Examples Score: {{cp.lessonAssetIdToProgress[3234].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3234].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[3234].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3234].bestScoreQuestions}}  Take Quiz Optional
Week {{::cp.getGoalWeekForTopic(8, 28)}}
Ch 9. Conservation Laws in Astronomy: Help and Review {{cp.topicAssetIdToProgress[23999].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 - 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
Week {{::cp.getGoalWeekForTopic(9, 28)}}
Ch 10. Earth's Spheres and Astronomy: Help and Review {{cp.topicAssetIdToProgress[24000].percentComplete}}% complete
Course Progress Best Score
Lesson 1 - 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 2 - 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 3 - 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 4 - 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 5 - 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 6 - 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 7 - 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 8 - 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 9 - 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(10, 28)}}
Ch 11. The Earth, Sky, and Moon: Help and Review {{cp.topicAssetIdToProgress[24001].percentComplete}}% complete
Course Progress Best Score
Lesson 1 - Formation of the Moon: Theories Score: {{cp.lessonAssetIdToProgress[2965].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2965].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[2965].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2965].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - Measuring Objects in the Sky: Angular Size & Distance Score: {{cp.lessonAssetIdToProgress[30366].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[30366].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[30366].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[30366].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - Important Points on the Celestial Sphere Score: {{cp.lessonAssetIdToProgress[31227].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[31227].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[31227].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[31227].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - The Cycle of the Seasons in Astronomy Score: {{cp.lessonAssetIdToProgress[32545].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[32545].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[32545].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[32545].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - Geography of the Four Seasons Score: {{cp.lessonAssetIdToProgress[29872].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[29872].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[29872].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[29872].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - The Horizon Coordinate System Score: {{cp.lessonAssetIdToProgress[31228].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[31228].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[31228].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[31228].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - The Equatorial Coordinate System Score: {{cp.lessonAssetIdToProgress[31229].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[31229].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[31229].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[31229].bestScoreQuestions}}  Take Quiz Optional
Lesson 8 - What is Precession? Score: {{cp.lessonAssetIdToProgress[31231].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[31231].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[31231].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[31231].bestScoreQuestions}}  Take Quiz Optional
Lesson 9 - Lunar Eclipse: Definition & Types Score: {{cp.lessonAssetIdToProgress[31124].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[31124].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[31124].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[31124].bestScoreQuestions}}  Take Quiz Optional
Lesson 10 - What Is a Solar Eclipse? Score: {{cp.lessonAssetIdToProgress[31125].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[31125].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[31125].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[31125].bestScoreQuestions}}  Take Quiz Optional
Lesson 11 - Annular Eclipse: The Changing Size of the Moon Score: {{cp.lessonAssetIdToProgress[31126].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[31126].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[31126].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[31126].bestScoreQuestions}}  Take Quiz Optional
Lesson 12 - How Can We Predict An Eclipse? Score: {{cp.lessonAssetIdToProgress[31230].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[31230].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[31230].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[31230].bestScoreQuestions}}  Take Quiz Optional
Lesson 13 - Why the Sun Changes Color Score: {{cp.lessonAssetIdToProgress[30368].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[30368].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[30368].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[30368].bestScoreQuestions}}  Take Quiz Optional
Lesson 14 - Magnetosphere: Definition & Facts Score: {{cp.lessonAssetIdToProgress[32370].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[32370].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[32370].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[32370].bestScoreQuestions}}  Take Quiz Optional
Lesson 15 - How Gravity, the Moon & the Sun Influence Tides Score: {{cp.lessonAssetIdToProgress[31430].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[31430].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[31430].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[31430].bestScoreQuestions}}  Take Quiz Optional
Lesson 16 - Tidal Friction: Effects on Earth & the Moon Score: {{cp.lessonAssetIdToProgress[31431].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[31431].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[31431].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[31431].bestScoreQuestions}}  Take Quiz Optional
Lesson 17 - Celestial Equator: Definition & Use Score: {{cp.lessonAssetIdToProgress[36466].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[36466].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[36466].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[36466].bestScoreQuestions}}  Take Quiz Optional
Lesson 18 - First Quarter Moon: Definition & Summary Score: {{cp.lessonAssetIdToProgress[36467].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[36467].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[36467].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[36467].bestScoreQuestions}}  Take Quiz Optional
Lesson 19 - Full Moon: Definition, Facts & Features Score: {{cp.lessonAssetIdToProgress[17057].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[17057].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[17057].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[17057].bestScoreQuestions}}  Take Quiz Optional
Lesson 20 - What is a Waxing Moon? - Definition, Facts & Phase Score: {{cp.lessonAssetIdToProgress[16942].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[16942].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[16942].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[16942].bestScoreQuestions}}  Take Quiz Optional
Lesson 21 - What is an Equinox? - Definition & Types Score: {{cp.lessonAssetIdToProgress[16952].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[16952].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[16952].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[16952].bestScoreQuestions}}  Take Quiz Optional
Lesson 22 - What is the Summer Solstice? - Definition & Facts Score: {{cp.lessonAssetIdToProgress[28667].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[28667].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[28667].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[28667].bestScoreQuestions}}  Take Quiz Optional
Lesson 23 - What is the Vernal Equinox? - Definition & Facts Score: {{cp.lessonAssetIdToProgress[28655].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[28655].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[28655].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[28655].bestScoreQuestions}}  Take Quiz Optional
Lesson 24 - Why Does the Moon have Phases? Score: {{cp.lessonAssetIdToProgress[36464].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[36464].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[36464].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[36464].bestScoreQuestions}}  Take Quiz Optional
Lesson 25 - What is a Waning Moon? - Definition, Facts & Phases Score: {{cp.lessonAssetIdToProgress[16943].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[16943].bestScoreQuestions}}  Take Quiz Optional
Score: {{cp.lessonAssetIdToProgress[16943].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[16943].bestScoreQuestions}}  Take Quiz Optional