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AEPA Earth Science: Practice & Study Guide

  • Course type: Self-paced
  • Available Lessons: 256
  • 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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    What is Earth Science?
    chapter 1 / lesson 1
    What is Earth Science?

Course Summary

As you get ready to take the AEPA Earth Science examination, consider utilizing this helpful study guide course to help you get a great score. Our video and text lessons outline all the Earth science topics you'll find on the exam, and our multiple-choice quizzes help you test your knowledge.
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35 Chapters in AEPA Earth Science: Practice & Study Guide

35 chapters in AEPA Earth Science: Practice & Study Guide

Ch 1. Development of Earth & Space Science {{cp.topicAssetIdToProgress[55492].percentComplete}}% complete
Course Progress Best Score
Lesson 1 - What is Earth Science? Score: {{cp.lessonAssetIdToProgress[10131].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[10131].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - The Scientific Revolution: Definition, History, Causes & Leaders Score: {{cp.lessonAssetIdToProgress[12805].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[12805].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - Effects of the Scientific Revolution Score: {{cp.lessonAssetIdToProgress[12807].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[12807].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - How Scientific Discoveries Can Cause People to Change Their Beliefs Score: {{cp.lessonAssetIdToProgress[24984].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[24984].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - How Science Has Changed Society Score: {{cp.lessonAssetIdToProgress[24983].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[24983].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - The Space Race's Impact on Math & Science Education in the U.S. Score: {{cp.lessonAssetIdToProgress[21063].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[21063].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - Careers in the Sciences: Typical Courses & Degrees Score: {{cp.lessonAssetIdToProgress[20065].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[20065].bestScoreQuestions}}  Take Quiz Optional
Lesson 8 - What Are Natural Resources? - Definition & Types Score: {{cp.lessonAssetIdToProgress[10204].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[10204].bestScoreQuestions}}  Take Quiz Optional
Course Progress Best Score
Lesson 1 - How to Read Scientific Graphs & Charts Score: {{cp.lessonAssetIdToProgress[3603].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3603].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - Interpreting Tables of Scientific Data: Practice Problems Score: {{cp.lessonAssetIdToProgress[3736].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3736].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - Significant Figures and Scientific Notation Score: {{cp.lessonAssetIdToProgress[1601].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[1601].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - The Metric System: Units and Conversion Score: {{cp.lessonAssetIdToProgress[1600].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[1600].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - Descriptive & Inferential Statistics: Definition, Differences & Examples Score: {{cp.lessonAssetIdToProgress[14557].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[14557].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - How to Calculate Mean, Median, Mode & Range Score: {{cp.lessonAssetIdToProgress[2388].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2388].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - Measures of Variability: Range, Variance & Standard Deviation Score: {{cp.lessonAssetIdToProgress[13772].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[13772].bestScoreQuestions}}  Take Quiz Optional
Course Progress Best Score
Lesson 1 - What is Pangaea? - Theory & Definition Score: {{cp.lessonAssetIdToProgress[3255].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3255].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - Alfred Wegener's Theory of Continental Drift Score: {{cp.lessonAssetIdToProgress[2530].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2530].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - Evidence for the Mechanism of Continental Drift Score: {{cp.lessonAssetIdToProgress[2531].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2531].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - Major Plates of the Lithosphere: Earth's Tectonic Plates Score: {{cp.lessonAssetIdToProgress[14640].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[14640].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - Causes of Tectonic Plate Movement Score: {{cp.lessonAssetIdToProgress[2533].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2533].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - Plate Boundaries: Convergent, Divergent, and Transform Boundaries Score: {{cp.lessonAssetIdToProgress[2534].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2534].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - Sea Floor Spreading and Polar Reversal Score: {{cp.lessonAssetIdToProgress[9072].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[9072].bestScoreQuestions}}  Take Quiz Optional
Lesson 8 - Ocean Basins: Definition, Formation, Features & Types Score: {{cp.lessonAssetIdToProgress[12398].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[12398].bestScoreQuestions}}  Take Quiz Optional
Lesson 9 - Oceanic Ridge System: Formation & Distribution Score: {{cp.lessonAssetIdToProgress[12399].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[12399].bestScoreQuestions}}  Take Quiz Optional
Course Progress Best Score
Lesson 1 - Geologic Time Scale: Major Eons, Eras, Periods and Epochs Score: {{cp.lessonAssetIdToProgress[8866].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[8866].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - Theories of Geological Evolution: Catastrophism vs Uniformitarianism Score: {{cp.lessonAssetIdToProgress[8867].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[8867].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - Methods of Geological Dating: Numerical and Relative Dating Score: {{cp.lessonAssetIdToProgress[8868].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[8868].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - What is Relative Dating? - Law of Superposition, Principles of Original Horizontality & Cross-Cutting Relationships Score: {{cp.lessonAssetIdToProgress[8869].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[8869].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - Principles of Radiometric Dating Score: {{cp.lessonAssetIdToProgress[8870].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[8870].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - Radiometric Dating: Methods, Uses & the Significance of Half-Life Score: {{cp.lessonAssetIdToProgress[8871].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[8871].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - Conditions of Fossil Preservation: Rapid Burial, Hard Parts & the Elements Score: {{cp.lessonAssetIdToProgress[8872].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[8872].bestScoreQuestions}}  Take Quiz Optional
Lesson 8 - Relative Dating with Fossils: Index Fossils as Indicators of Time Score: {{cp.lessonAssetIdToProgress[8873].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[8873].bestScoreQuestions}}  Take Quiz Optional
Course Progress Best Score
Lesson 1 - Effect of Erosion and Deposition on Landforms Score: {{cp.lessonAssetIdToProgress[2526].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2526].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - Mechanical Weathering: Definition, Process, Types & Examples Score: {{cp.lessonAssetIdToProgress[13135].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[13135].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - What is Chemical Weathering? - Definition, Process & Examples Score: {{cp.lessonAssetIdToProgress[13136].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[13136].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - Factors that Affect the Rate of Weathering Score: {{cp.lessonAssetIdToProgress[13137].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[13137].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - The Formation and Composition of Soil: Definition and Factors Score: {{cp.lessonAssetIdToProgress[8852].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[8852].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - What is Soil Erosion? - Definition and Causes Score: {{cp.lessonAssetIdToProgress[13139].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[13139].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - Types of Wasting: Slump, Rockslide, Debris Flow & Earthflow Score: {{cp.lessonAssetIdToProgress[13265].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[13265].bestScoreQuestions}}  Take Quiz Optional
Lesson 8 - Glacial Erosion: Definition, Processes & Features Score: {{cp.lessonAssetIdToProgress[13574].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[13574].bestScoreQuestions}}  Take Quiz Optional
Lesson 9 - Glacial Deposition: Definition & Results Score: {{cp.lessonAssetIdToProgress[13575].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[13575].bestScoreQuestions}}  Take Quiz Optional
Course Progress Best Score
Lesson 1 - Atomic Number and Mass Number Score: {{cp.lessonAssetIdToProgress[1607].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[1607].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - Isotopes and Average Atomic Mass Score: {{cp.lessonAssetIdToProgress[1608].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[1608].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - Ionic Compounds: Formation, Lattice Energy and Properties Score: {{cp.lessonAssetIdToProgress[1629].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[1629].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - Covalent Compounds: Properties, Naming & Formation Score: {{cp.lessonAssetIdToProgress[1631].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[1631].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - The Periodic Table: Properties of Groups and Periods Score: {{cp.lessonAssetIdToProgress[1614].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[1614].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - Types of Radioactive Decay and Their Effect on the Nucleus Score: {{cp.lessonAssetIdToProgress[1622].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[1622].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - Half-life: Calculating Radioactive Decay and Interpreting Decay Graphs Score: {{cp.lessonAssetIdToProgress[1624].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[1624].bestScoreQuestions}}  Take Quiz Optional
Course Progress Best Score
Lesson 1 - Optical Properties of Minerals: Luster, Light Transmission, Color & Streak Score: {{cp.lessonAssetIdToProgress[8531].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[8531].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - Crystal Shape of Minerals: Forms and Types Score: {{cp.lessonAssetIdToProgress[8532].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[8532].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - Mineral Strength: Tenacity, Hardness, Cleavage & Fracture Score: {{cp.lessonAssetIdToProgress[8533].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[8533].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - Mineral Density & Specific Gravity: Definition and Properties Score: {{cp.lessonAssetIdToProgress[8534].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[8534].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - Silicate Minerals: Chemical Classifications & Examples Score: {{cp.lessonAssetIdToProgress[8535].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[8535].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - Non-silicate Minerals: Chemical Classifications & Examples Score: {{cp.lessonAssetIdToProgress[8536].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[8536].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - Rocks and Minerals: Definitions and Differences Score: {{cp.lessonAssetIdToProgress[9095].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[9095].bestScoreQuestions}}  Take Quiz Optional
Lesson 8 - Rock Cycle: Igneous, Sedimentary, and Metamorphic Rocks Score: {{cp.lessonAssetIdToProgress[2529].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2529].bestScoreQuestions}}  Take Quiz Optional
Lesson 9 - Types of Rocks: The Three Major Rock Groups Score: {{cp.lessonAssetIdToProgress[9096].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[9096].bestScoreQuestions}}  Take Quiz Optional
Course Progress Best Score
Lesson 1 - What is a Volcano? - Definition & Eruptions Score: {{cp.lessonAssetIdToProgress[13129].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[13129].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - Types of Volcanoes: Shield, Cinder Cones & Composite Cones Score: {{cp.lessonAssetIdToProgress[13130].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[13130].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - Volcanic Eruption: Gases Released & Their Effects Score: {{cp.lessonAssetIdToProgress[13131].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[13131].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - The Flow of Pyroclastic Materials Score: {{cp.lessonAssetIdToProgress[13132].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[13132].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - Volcanic Landforms: Types & Formation Score: {{cp.lessonAssetIdToProgress[13133].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[13133].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - Lava Flow, Pyroclastic Flow, Pyroclastic Surge & Tephra: Preventing Volcanic Hazards Score: {{cp.lessonAssetIdToProgress[13134].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[13134].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - Volcanic Hazards & Prevention: Landslides, Lahars & Tsunamis Score: {{cp.lessonAssetIdToProgress[13751].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[13751].bestScoreQuestions}}  Take Quiz Optional
Course Progress Best Score
Lesson 1 - Drainage Basins: Definition & Characteristics Score: {{cp.lessonAssetIdToProgress[13566].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[13566].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - Laminar & Turbulent Streamflows Score: {{cp.lessonAssetIdToProgress[13567].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[13567].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - How a Landform Diagram Describes the Geological Progression of a Landscape Score: {{cp.lessonAssetIdToProgress[2527].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2527].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - The Formation of Stream Valleys Score: {{cp.lessonAssetIdToProgress[13568].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[13568].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - What Are Wetlands? - Definition & Types Score: {{cp.lessonAssetIdToProgress[7833].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[7833].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - How Rivers and Streams Affect the Earth's Surface Score: {{cp.lessonAssetIdToProgress[16088].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[16088].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - Physical Characteristics of the Great Lakes Score: {{cp.lessonAssetIdToProgress[55527].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[55527].bestScoreQuestions}}  Take Quiz Optional
Course Progress Best Score
Lesson 1 - Major Components of the Atmosphere Score: {{cp.lessonAssetIdToProgress[12472].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[12472].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - The Structure of the Atmosphere Score: {{cp.lessonAssetIdToProgress[12473].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[12473].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - Temperature, Clouds, Wind & Humidity on the Atmospheric Cycle Score: {{cp.lessonAssetIdToProgress[2521].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2521].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - Mechanisms of Heat Transfer: Conduction, Convection & Radiation Score: {{cp.lessonAssetIdToProgress[12475].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[12475].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - Greenhouse Gases and the Enhanced Greenhouse Effect Score: {{cp.lessonAssetIdToProgress[10321].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[10321].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - Solar Energy: Effects on Earth's Temperature Score: {{cp.lessonAssetIdToProgress[10320].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[10320].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - Solar Radiation Transfer: Absorption, Reflection & Scattering Score: {{cp.lessonAssetIdToProgress[45298].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[45298].bestScoreQuestions}}  Take Quiz Optional
Lesson 8 - The Energy Transfer Process & Solar Radiation Score: {{cp.lessonAssetIdToProgress[45299].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[45299].bestScoreQuestions}}  Take Quiz Optional
Course Progress Best Score
Lesson 1 - The Ozone Layer: Importance and the Harmful Effects of Thinning Score: {{cp.lessonAssetIdToProgress[10323].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[10323].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - Factors Involved in Climate Change Score: {{cp.lessonAssetIdToProgress[45290].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[45290].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - Natural Factors That Determine a Region's Climate Score: {{cp.lessonAssetIdToProgress[2522].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2522].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - Global Warming: Atmospheric Causes and Effect on Climate Score: {{cp.lessonAssetIdToProgress[2523].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2523].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - Global Climate Change: Effects and Mitigation Strategies Score: {{cp.lessonAssetIdToProgress[10322].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[10322].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - What Is Air Pollution? - Definition, Sources & Types Score: {{cp.lessonAssetIdToProgress[10325].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[10325].bestScoreQuestions}}  Take Quiz Optional
Course Progress Best Score
Lesson 1 - The Global Wind Patterns of the Three Wind Belts Score: {{cp.lessonAssetIdToProgress[45334].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[45334].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - Jet Streams & the Polar Front Score: {{cp.lessonAssetIdToProgress[45335].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[45335].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - Factors That Affect Wind: Pressure Gradient Forces, Coriolis Effect & Friction Score: {{cp.lessonAssetIdToProgress[11545].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[11545].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - Types of Air Masses & Their Effect on Weather Score: {{cp.lessonAssetIdToProgress[11548].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[11548].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - The Relationship Between El Nino & La Nina Score: {{cp.lessonAssetIdToProgress[11554].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[11554].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - The Pacific Decadal Oscillation & El NiƱo Score: {{cp.lessonAssetIdToProgress[45341].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[45341].bestScoreQuestions}}  Take Quiz Optional
Course Progress Best Score
Lesson 1 - Weather Variables: Air Pressure, Temperature & Density Score: {{cp.lessonAssetIdToProgress[11546].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[11546].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - The General Circulation of the Atmosphere Score: {{cp.lessonAssetIdToProgress[11547].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[11547].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - Understanding Weather Fronts: Types & Their Effect on Weather Score: {{cp.lessonAssetIdToProgress[11549].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[11549].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - What Are Tornadoes? - Definition, Causes & The Enhanced Fujita Scale Score: {{cp.lessonAssetIdToProgress[11550].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[11550].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - What Are Thunderstorms? - Definition, Types & Formation Score: {{cp.lessonAssetIdToProgress[11551].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[11551].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - What Are Cyclones? - Types, Causes & Effects Score: {{cp.lessonAssetIdToProgress[11552].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[11552].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - Hurricanes: Types, Formation, Causes & Effects Score: {{cp.lessonAssetIdToProgress[11553].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[11553].bestScoreQuestions}}  Take Quiz Optional
Lesson 8 - Forecasting Hurricanes & Creating Advisories Score: {{cp.lessonAssetIdToProgress[43002].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[43002].bestScoreQuestions}}  Take Quiz Optional
Lesson 9 - What Are Floods? - Causes, Types & Prevention Score: {{cp.lessonAssetIdToProgress[11555].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[11555].bestScoreQuestions}}  Take Quiz Optional
Course Progress Best Score
Lesson 1 - Properties of Ocean Water Score: {{cp.lessonAssetIdToProgress[12400].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[12400].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - Ocean Circulation: Patterns & Effect on Climate Score: {{cp.lessonAssetIdToProgress[12402].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[12402].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - Characteristics of Shorelines & Beaches Score: {{cp.lessonAssetIdToProgress[12403].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[12403].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - Waves: Types, Features & Effect on Erosion Score: {{cp.lessonAssetIdToProgress[12404].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[12404].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - Contributing Factors of Longshore Transport: Beach Drift & Longshore Current Score: {{cp.lessonAssetIdToProgress[12405].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[12405].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - What Are Tides? - Causes & Effects Score: {{cp.lessonAssetIdToProgress[12406].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[12406].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - The Causes & Effects of a Tsunami Score: {{cp.lessonAssetIdToProgress[12409].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[12409].bestScoreQuestions}}  Take Quiz Optional
Course Progress Best Score
Lesson 1 - Formation of the Moon: Theories Score: {{cp.lessonAssetIdToProgress[2965].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2965].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - Lunar Geology: Types of Moon Rocks Score: {{cp.lessonAssetIdToProgress[30369].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[30369].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - The Moon's Atmosphere Score: {{cp.lessonAssetIdToProgress[30370].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[30370].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - How Earth & the Sun Affect the Phases of the Moon Score: {{cp.lessonAssetIdToProgress[31121].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[31121].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - Moon Phases: Names & Sequence Score: {{cp.lessonAssetIdToProgress[31122].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[31122].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - Motion of the Moon: Sidereal Month vs. Synodic Month Score: {{cp.lessonAssetIdToProgress[31123].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[31123].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - Lunar Eclipse: Definition & Types Score: {{cp.lessonAssetIdToProgress[31124].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[31124].bestScoreQuestions}}  Take Quiz Optional
Lesson 8 - How Can We Predict An Eclipse? Score: {{cp.lessonAssetIdToProgress[31230].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[31230].bestScoreQuestions}}  Take Quiz Optional
Lesson 9 - How Gravity, the Moon & the Sun Influence Tides Score: {{cp.lessonAssetIdToProgress[31430].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[31430].bestScoreQuestions}}  Take Quiz Optional
Lesson 10 - Tidal Friction: Effects on Earth & the Moon Score: {{cp.lessonAssetIdToProgress[31431].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[31431].bestScoreQuestions}}  Take Quiz Optional
Lesson 11 - What Is a Solar Eclipse? Score: {{cp.lessonAssetIdToProgress[31125].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[31125].bestScoreQuestions}}  Take Quiz Optional
Course Progress Best Score
Lesson 1 - Structure of the Sun Score: {{cp.lessonAssetIdToProgress[3200].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3200].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - The Sun: Atmosphere & Facts Score: {{cp.lessonAssetIdToProgress[31432].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[31432].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - Photosphere: Definition & Features Score: {{cp.lessonAssetIdToProgress[32176].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[32176].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - Chromosphere: Definition & Properties Score: {{cp.lessonAssetIdToProgress[32177].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[32177].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - The Solar Corona & Solar Wind Score: {{cp.lessonAssetIdToProgress[32178].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[32178].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - Solar Flares, Solar Prominences & Coronal Mass Ejections Score: {{cp.lessonAssetIdToProgress[32377].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[32377].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - What Are Sunspots? Score: {{cp.lessonAssetIdToProgress[32180].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[32180].bestScoreQuestions}}  Take Quiz Optional
Lesson 8 - The Babcock Model of the Sun's Magnetic Cycle Score: {{cp.lessonAssetIdToProgress[32182].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[32182].bestScoreQuestions}}  Take Quiz Optional
Lesson 9 - Stages of the Sun's Life Cycle Score: {{cp.lessonAssetIdToProgress[2959].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2959].bestScoreQuestions}}  Take Quiz Optional
Lesson 10 - How Energy Moves Within the Sun Score: {{cp.lessonAssetIdToProgress[32378].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[32378].bestScoreQuestions}}  Take Quiz Optional
Course Progress Best Score
Lesson 1 - What is Energy? - Definition and Significance in Nature Score: {{cp.lessonAssetIdToProgress[2537].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2537].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - What is Solar Radiation? - Definition & Effects Score: {{cp.lessonAssetIdToProgress[12474].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[12474].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - What is Thermal Energy? - Definition & Examples Score: {{cp.lessonAssetIdToProgress[2539].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2539].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - What is Solar Energy? - Definition, Pros & Cons Score: {{cp.lessonAssetIdToProgress[3501].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3501].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - Electromagnetic Waves: Definition, Sources & Properties 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
Lesson 7 - What Are Wien's Law & the Stefan-Boltzmann Law? Score: {{cp.lessonAssetIdToProgress[32372].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[32372].bestScoreQuestions}}  Take Quiz Optional
Lesson 8 - Blackbody & Blackbody Radiation Theory Score: {{cp.lessonAssetIdToProgress[32371].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[32371].bestScoreQuestions}}  Take Quiz Optional
Lesson 9 - The Solar Constant & Inverse Square Law in Weather Score: {{cp.lessonAssetIdToProgress[45296].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[45296].bestScoreQuestions}}  Take Quiz Optional
Course Progress Best Score
Lesson 1 - Solar System Overview Score: {{cp.lessonAssetIdToProgress[29079].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[29079].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - The Solar Nebula Theory: Formation of the Solar System Score: {{cp.lessonAssetIdToProgress[29080].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[29080].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - What is the Age of the Solar System? Score: {{cp.lessonAssetIdToProgress[29081].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[29081].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - The Condensation Sequences & Planetary Formation Score: {{cp.lessonAssetIdToProgress[29645].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[29645].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - What Are Planetesimals? Score: {{cp.lessonAssetIdToProgress[29650].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[29650].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - How Do Protoplanets Grow? Score: {{cp.lessonAssetIdToProgress[29647].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[29647].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - What Is the Jovian Problem? Score: {{cp.lessonAssetIdToProgress[29648].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[29648].bestScoreQuestions}}  Take Quiz Optional
Lesson 8 - Major Characteristics of Planets in the Solar System Score: {{cp.lessonAssetIdToProgress[29084].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[29084].bestScoreQuestions}}  Take Quiz Optional
Lesson 9 - Solar Nebula Theory & Patterns of Planetary Motion Score: {{cp.lessonAssetIdToProgress[29085].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[29085].bestScoreQuestions}}  Take Quiz Optional
Course Progress Best Score
Lesson 1 - Inner Planets of the Solar System: Mercury, Venus, Earth & Mars Score: {{cp.lessonAssetIdToProgress[2963].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2963].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - Planetary Geology: The Study of Celestial Bodies Score: {{cp.lessonAssetIdToProgress[17922].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[17922].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - Outer Planets of the Solar System: Jupiter, Saturn, Uranus, Neptune Score: {{cp.lessonAssetIdToProgress[2967].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2967].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - Jupiter's Important Properties Score: {{cp.lessonAssetIdToProgress[29094].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[29094].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - Saturn's Major Characteristics Score: {{cp.lessonAssetIdToProgress[29095].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[29095].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - Uranus's Moons, Rings, Atmosphere & Rotation Score: {{cp.lessonAssetIdToProgress[29096].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[29096].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - Neptune's Moons, Rings, Atmosphere & Temperature Score: {{cp.lessonAssetIdToProgress[29097].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[29097].bestScoreQuestions}}  Take Quiz Optional
Lesson 8 - Moons of the Jovian Planets Score: {{cp.lessonAssetIdToProgress[29099].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[29099].bestScoreQuestions}}  Take Quiz Optional
Lesson 9 - Satellite Formation in Our Solar System Score: {{cp.lessonAssetIdToProgress[29945].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[29945].bestScoreQuestions}}  Take Quiz Optional
Lesson 10 - Meteorite Classifications & Characteristics Score: {{cp.lessonAssetIdToProgress[30145].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[30145].bestScoreQuestions}}  Take Quiz Optional
Lesson 11 - Meteoroids: Origin & Orbits Score: {{cp.lessonAssetIdToProgress[30146].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[30146].bestScoreQuestions}}  Take Quiz Optional
Lesson 12 - The Formation of Shooting Stars Score: {{cp.lessonAssetIdToProgress[29101].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[29101].bestScoreQuestions}}  Take Quiz Optional
Lesson 13 - Asteroids: Origin & Properties Score: {{cp.lessonAssetIdToProgress[30147].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[30147].bestScoreQuestions}}  Take Quiz Optional
Lesson 14 - Comets: Origin & Properties Score: {{cp.lessonAssetIdToProgress[30148].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[30148].bestScoreQuestions}}  Take Quiz Optional
Lesson 15 - Dwarf Planets of the Solar System: Pluto, Eris, Haumea & Ceres Score: {{cp.lessonAssetIdToProgress[2968].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2968].bestScoreQuestions}}  Take Quiz Optional
Course Progress Best Score
Lesson 1 - Kepler's Three Laws of Planetary Motion Score: {{cp.lessonAssetIdToProgress[19976].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[19976].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - 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
Lesson 3 - Newton's Second Law of Motion: The Relationship Between Force and Acceleration Score: {{cp.lessonAssetIdToProgress[2556].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2556].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - 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
Lesson 5 - Newton's Laws and Weight, Mass & Gravity Score: {{cp.lessonAssetIdToProgress[2558].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2558].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - The Law of Universal Gravitation: Definition, Importance & Examples Score: {{cp.lessonAssetIdToProgress[19244].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[19244].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - Newton's Law of Gravitation: Definition & Examples Score: {{cp.lessonAssetIdToProgress[33242].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[33242].bestScoreQuestions}}  Take Quiz Optional
Course Progress Best Score
Lesson 1 - How to Find the Size of a Star Score: {{cp.lessonAssetIdToProgress[20938].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[20938].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - Electron Transitions & Spectral Lines Score: {{cp.lessonAssetIdToProgress[32375].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[32375].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - Measuring The Distance to a Star Score: {{cp.lessonAssetIdToProgress[20939].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[20939].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - The Brightness Of Stars Score: {{cp.lessonAssetIdToProgress[20941].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[20941].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - Relating a Star's Brightness to Luminosity Score: {{cp.lessonAssetIdToProgress[20942].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[20942].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - Determining the Temperature of a Star Score: {{cp.lessonAssetIdToProgress[21188].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[21188].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - Spectroscopy and the Chemical Characteristics of Stars Score: {{cp.lessonAssetIdToProgress[21195].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[21195].bestScoreQuestions}}  Take Quiz Optional
Lesson 8 - Kirchhoff's Laws and Star Spectra Score: {{cp.lessonAssetIdToProgress[21194].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[21194].bestScoreQuestions}}  Take Quiz Optional
Lesson 9 - The Doppler Effect and Star Spectra Score: {{cp.lessonAssetIdToProgress[21491].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[21491].bestScoreQuestions}}  Take Quiz Optional
Lesson 10 - How Stars Generate Energy Score: {{cp.lessonAssetIdToProgress[20944].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[20944].bestScoreQuestions}}  Take Quiz Optional
Lesson 11 - The Spectral Sequence and Temperature Score: {{cp.lessonAssetIdToProgress[20945].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[20945].bestScoreQuestions}}  Take Quiz Optional
Lesson 12 - Using the Magnitude Scale to Compare Star Brightness Score: {{cp.lessonAssetIdToProgress[32682].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[32682].bestScoreQuestions}}  Take Quiz Optional
Course Progress Best Score
Lesson 1 - Galaxy Formation: Spiral, Elliptical & Irregular Galaxies Score: {{cp.lessonAssetIdToProgress[2957].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2957].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - The Formation of the Milky Way Galaxy Score: {{cp.lessonAssetIdToProgress[27124].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[27124].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - The Structure of Our Galaxy Score: {{cp.lessonAssetIdToProgress[26454].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[26454].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - The Nucleus of a Galaxy Score: {{cp.lessonAssetIdToProgress[26456].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[26456].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - The Spiral Arms of the Milky Way Galaxy Score: {{cp.lessonAssetIdToProgress[27040].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[27040].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - Population I and Population II Stars Score: {{cp.lessonAssetIdToProgress[27123].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[27123].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - The Mass of Our Galaxy Score: {{cp.lessonAssetIdToProgress[26873].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[26873].bestScoreQuestions}}  Take Quiz Optional
Lesson 8 - Hubble's Law & Hubble's Constant Score: {{cp.lessonAssetIdToProgress[26467].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[26467].bestScoreQuestions}}  Take Quiz Optional
Course Progress Best Score
Lesson 1 - Solar System, Galaxy, & Universe: Definitions & Difference Score: {{cp.lessonAssetIdToProgress[28124].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[28124].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - Origins of the Universe: The Big Bang and Expanding & Contracting Universes Score: {{cp.lessonAssetIdToProgress[2953].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2953].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - Olbers' Paradox & Cosmic Expansion: Nature of the Universe Score: {{cp.lessonAssetIdToProgress[28123].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[28123].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - The Observable Universe vs. the Entire Universe Score: {{cp.lessonAssetIdToProgress[28128].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[28128].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - The Steady State Theory vs. the Big Bang Theory Score: {{cp.lessonAssetIdToProgress[28125].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[28125].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - Evidence for the Big Bang Theory: Background Radiation, Red-Shift and Expansion Score: {{cp.lessonAssetIdToProgress[2954].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2954].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - Photons, Particle Soup & Nucleosynthesis Score: {{cp.lessonAssetIdToProgress[28122].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[28122].bestScoreQuestions}}  Take Quiz Optional
Lesson 8 - The Evolution of the Early Universe