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Holt McDougal Earth Science: Online Textbook Help

  • Course type: Self-paced
  • Available Lessons: 177
  • 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

Get some extra help in science class with our Holt McDougal Earth Science: Online Textbook Help course. The fun video lessons and quizzes line up with the chapters in your textbook and can help you ace your tests and homework assignments.
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22 Chapters in Holt McDougal Earth Science: Online Textbook Help

22 chapters in Holt McDougal Earth Science: Online Textbook Help

Ch 1. Holt McDougal Earth Science Chapter 1 - The World of Earth Science {{cp.topicAssetIdToProgress[26737].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 Main Branches of Geology Score: {{cp.lessonAssetIdToProgress[17920].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[17920].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - The Scientific Field of Oceanography Score: {{cp.lessonAssetIdToProgress[19912].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[19912].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - The Scientific Field of Meteorology Score: {{cp.lessonAssetIdToProgress[19914].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[19914].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - The Scientific Field of Astronomy Score: {{cp.lessonAssetIdToProgress[19913].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[19913].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - The Scientific Method: Steps, Terms & Examples Score: {{cp.lessonAssetIdToProgress[3604].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3604].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - Experimental Design in Science: Definition & Method Score: {{cp.lessonAssetIdToProgress[3602].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3602].bestScoreQuestions}}  Take Quiz Optional
Lesson 8 - The Metric System: Units and Conversion Score: {{cp.lessonAssetIdToProgress[1600].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[1600].bestScoreQuestions}}  Take Quiz Optional
Course Progress Best Score
Lesson 1 - What Are Minerals? - Types, Properties & Examples Score: {{cp.lessonAssetIdToProgress[9334].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[9334].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - Understanding the Relationships between Elements, Molecules & Compounds Score: {{cp.lessonAssetIdToProgress[19236].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[19236].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - Silicate Minerals: Chemical Classifications & Examples Score: {{cp.lessonAssetIdToProgress[8535].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[8535].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - Non-silicate Minerals: Chemical Classifications & Examples Score: {{cp.lessonAssetIdToProgress[8536].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[8536].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - Rocks and Minerals: Definitions and Differences Score: {{cp.lessonAssetIdToProgress[9095].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[9095].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - Optical Properties of Minerals: Luster, Light Transmission, Color & Streak Score: {{cp.lessonAssetIdToProgress[8531].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[8531].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - Crystal Shape of Minerals: Forms and Types Score: {{cp.lessonAssetIdToProgress[8532].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[8532].bestScoreQuestions}}  Take Quiz Optional
Lesson 8 - Mineral Strength: Tenacity, Hardness, Cleavage & Fracture Score: {{cp.lessonAssetIdToProgress[8533].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[8533].bestScoreQuestions}}  Take Quiz Optional
Lesson 9 - Mineral Density & Specific Gravity: Definition and Properties Score: {{cp.lessonAssetIdToProgress[8534].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[8534].bestScoreQuestions}}  Take Quiz Optional
Lesson 10 - Extraction and Processing of Minerals & the Environmental Impacts of Mineral Use Score: {{cp.lessonAssetIdToProgress[8850].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[8850].bestScoreQuestions}}  Take Quiz Optional
Course Progress Best Score
Lesson 1 - Rock Cycle: Igneous, Sedimentary, and Metamorphic Rocks Score: {{cp.lessonAssetIdToProgress[2529].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2529].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - Types of Rocks: The Three Major Rock Groups Score: {{cp.lessonAssetIdToProgress[9096].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[9096].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - Bowen's Reaction Series: Crystallization Process & Magmatic Differentiation Score: {{cp.lessonAssetIdToProgress[9099].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[9099].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - Classification of Igneous Rocks: Textures and Composition Score: {{cp.lessonAssetIdToProgress[9100].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[9100].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - Determining the Origin of a Sedimentary Rock Score: {{cp.lessonAssetIdToProgress[13737].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[13737].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - Detrital & Chemical Sedimentary Rocks: Definition & Differences Score: {{cp.lessonAssetIdToProgress[13735].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[13735].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - Metamorphism of Rocks: Definition, Process & Influencing Factors Score: {{cp.lessonAssetIdToProgress[13738].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[13738].bestScoreQuestions}}  Take Quiz Optional
Lesson 8 - Classification of Metamorphic Rocks: Texture & Parent Score: {{cp.lessonAssetIdToProgress[13739].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[13739].bestScoreQuestions}}  Take Quiz Optional
Course Progress Best Score
Lesson 1 - Renewable & Non-Renewable Resources: Definition & Differences Score: {{cp.lessonAssetIdToProgress[12047].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[12047].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - The 3 Rs of Reducing Solid Waste: Reuse, Reduce & Recycle Score: {{cp.lessonAssetIdToProgress[10356].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[10356].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - What Are Fossil Fuels? - Definition, Advantages & Disadvantages Score: {{cp.lessonAssetIdToProgress[4823].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[4823].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 - What is Nuclear Energy? - Definition & Examples Score: {{cp.lessonAssetIdToProgress[2543].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2543].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - Wind as a Renewable Energy Resource: Advantages & Disadvantages Score: {{cp.lessonAssetIdToProgress[12048].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[12048].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - Hydroelectric Energy: Definition, Uses, Advantages & Disadvantages Score: {{cp.lessonAssetIdToProgress[12049].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[12049].bestScoreQuestions}}  Take Quiz Optional
Lesson 8 - Geothermal Energy: Advantages and Disadvantages Score: {{cp.lessonAssetIdToProgress[9625].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[9625].bestScoreQuestions}}  Take Quiz Optional
Lesson 9 - Biomass for Renewable Energy: Pros and Cons Score: {{cp.lessonAssetIdToProgress[9623].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[9623].bestScoreQuestions}}  Take Quiz Optional
Lesson 10 - What is Chemical Energy? - Definition & Examples Score: {{cp.lessonAssetIdToProgress[2541].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2541].bestScoreQuestions}}  Take Quiz Optional
Course Progress Best Score
Lesson 1 - Theories of Geological Evolution: Catastrophism vs Uniformitarianism Score: {{cp.lessonAssetIdToProgress[8867].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[8867].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - What Are Paleontology & Archaeology? - Definition, History & Facts Score: {{cp.lessonAssetIdToProgress[19248].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[19248].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
Lesson 9 - Geologic Time Scale: Major Eons, Eras, Periods and Epochs Score: {{cp.lessonAssetIdToProgress[8866].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[8866].bestScoreQuestions}}  Take Quiz Optional
Course Progress Best Score
Lesson 1 - Earth's Internal Layers: Crust, Mantle & Core Score: {{cp.lessonAssetIdToProgress[13473].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[13473].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - How Scientists Study Earth's Interior Structure Score: {{cp.lessonAssetIdToProgress[13475].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[13475].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - What is Pangaea? - Theory & Definition Score: {{cp.lessonAssetIdToProgress[3255].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3255].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - Alfred Wegener's Theory of Continental Drift Score: {{cp.lessonAssetIdToProgress[2530].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2530].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - Evidence for the Mechanism of Continental Drift Score: {{cp.lessonAssetIdToProgress[2531].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2531].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - Plate Tectonics: A Unified Theory for Change of the Earth's Surface Score: {{cp.lessonAssetIdToProgress[2532].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2532].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - Plate Boundaries: Convergent, Divergent, and Transform Boundaries Score: {{cp.lessonAssetIdToProgress[2534].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2534].bestScoreQuestions}}  Take Quiz Optional
Lesson 8 - Causes of Tectonic Plate Movement Score: {{cp.lessonAssetIdToProgress[2533].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2533].bestScoreQuestions}}  Take Quiz Optional
Lesson 9 - Rock Deformation: Causes and Types Score: {{cp.lessonAssetIdToProgress[13476].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[13476].bestScoreQuestions}}  Take Quiz Optional
Lesson 10 - Geological Folds: Definition, Causes & Types Score: {{cp.lessonAssetIdToProgress[13477].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[13477].bestScoreQuestions}}  Take Quiz Optional
Lesson 11 - Geological Faults: Definition, Causes & Types Score: {{cp.lessonAssetIdToProgress[13478].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[13478].bestScoreQuestions}}  Take Quiz Optional
Lesson 12 - The Processes of Mountain Building Score: {{cp.lessonAssetIdToProgress[13479].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[13479].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 - The Flow of Pyroclastic Materials Score: {{cp.lessonAssetIdToProgress[13132].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[13132].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - Lava Flow, Pyroclastic Flow, Pyroclastic Surge & Tephra: Preventing Volcanic Hazards Score: {{cp.lessonAssetIdToProgress[13134].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[13134].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - Volcanic Landforms: Types & Formation Score: {{cp.lessonAssetIdToProgress[13133].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[13133].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - Types of Volcanoes: Shield, Cinder Cones & Composite Cones Score: {{cp.lessonAssetIdToProgress[13130].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[13130].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - Magma: Definition & Formation Score: {{cp.lessonAssetIdToProgress[3261].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3261].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - Cinder Cone Volcano: Definition, Facts & Examples Score: {{cp.lessonAssetIdToProgress[16940].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[16940].bestScoreQuestions}}  Take Quiz Optional
Course Progress Best Score
Lesson 1 - Mechanical Weathering: Definition, Process, Types & Examples Score: {{cp.lessonAssetIdToProgress[13135].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[13135].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - What is Chemical Weathering? - Definition, Process & Examples Score: {{cp.lessonAssetIdToProgress[13136].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[13136].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - Factors that Affect the Rate of Weathering Score: {{cp.lessonAssetIdToProgress[13137].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[13137].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - What is Soil? - Definition, Structure & Types Score: {{cp.lessonAssetIdToProgress[13138].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[13138].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 - Soil Conservation: Fighting Soil Erosion With Sustainable Soil Use Score: {{cp.lessonAssetIdToProgress[8853].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[8853].bestScoreQuestions}}  Take Quiz Optional
Course Progress Best Score
Lesson 1 - The Water Cycle: Precipitation, Condensation, and Evaporation Score: {{cp.lessonAssetIdToProgress[2524].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2524].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - Laminar & Turbulent Streamflows Score: {{cp.lessonAssetIdToProgress[13567].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[13567].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - Base Level of a Stream: Definition & Effect on Erosion Score: {{cp.lessonAssetIdToProgress[13569].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[13569].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 - Drainage Basins: Definition & Characteristics Score: {{cp.lessonAssetIdToProgress[13566].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[13566].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - Effect of Erosion and Deposition on Landforms Score: {{cp.lessonAssetIdToProgress[2526].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2526].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - Alluvial Channels: Definition & Types Score: {{cp.lessonAssetIdToProgress[13571].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[13571].bestScoreQuestions}}  Take Quiz Optional
Lesson 8 - What Are Floods? - Causes, Types & Prevention Score: {{cp.lessonAssetIdToProgress[11555].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[11555].bestScoreQuestions}}  Take Quiz Optional
Lesson 9 - Groundwater System: Definition & Geological Role Score: {{cp.lessonAssetIdToProgress[13480].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[13480].bestScoreQuestions}}  Take Quiz Optional
Lesson 10 - Springs: Definition, Formation & Types Score: {{cp.lessonAssetIdToProgress[13482].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[13482].bestScoreQuestions}}  Take Quiz Optional
Lesson 11 - Wells: Definition & Types Score: {{cp.lessonAssetIdToProgress[13483].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[13483].bestScoreQuestions}}  Take Quiz Optional
Lesson 12 - Caverns & Sinkholes: Definition, Formation & Effects Score: {{cp.lessonAssetIdToProgress[13485].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[13485].bestScoreQuestions}}  Take Quiz Optional
Lesson 13 - Water Pollution: Definition, Types, and Sources Score: {{cp.lessonAssetIdToProgress[9077].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[9077].bestScoreQuestions}}  Take Quiz Optional
Lesson 14 - Water Treatment: Improving Water Quality Score: {{cp.lessonAssetIdToProgress[9078].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[9078].bestScoreQuestions}}  Take Quiz Optional
Lesson 15 - Water Conservation: How Water Management Can Lead to Sustainable Use Score: {{cp.lessonAssetIdToProgress[9075].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[9075].bestScoreQuestions}}  Take Quiz Optional
Course Progress Best Score
Lesson 1 - Characteristics of Shorelines & Beaches Score: {{cp.lessonAssetIdToProgress[12403].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[12403].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - The Effects of Coastal Erosion on Shoreline Features Score: {{cp.lessonAssetIdToProgress[12410].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[12410].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - The Effects of Deposition on Shoreline Features Score: {{cp.lessonAssetIdToProgress[12411].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[12411].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - Contributing Factors of Longshore Transport: Beach Drift & Longshore Current Score: {{cp.lessonAssetIdToProgress[12405].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[12405].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - Wind Action & Effects on the Desert Landscape Score: {{cp.lessonAssetIdToProgress[17926].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[17926].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - Sand Dunes: Structure and Types Score: {{cp.lessonAssetIdToProgress[17927].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[17927].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - What Are Glaciers? - Definition, Types & Processes Score: {{cp.lessonAssetIdToProgress[4575].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[4575].bestScoreQuestions}}  Take Quiz Optional
Lesson 8 - Glacier Movement: Definition & Process Score: {{cp.lessonAssetIdToProgress[13572].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[13572].bestScoreQuestions}}  Take Quiz Optional
Lesson 9 - Glacial Erosion: Definition, Processes & Features Score: {{cp.lessonAssetIdToProgress[13574].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[13574].bestScoreQuestions}}  Take Quiz Optional
Lesson 10 - Glacial Deposition: Definition & Results Score: {{cp.lessonAssetIdToProgress[13575].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[13575].bestScoreQuestions}}  Take Quiz Optional
Lesson 11 - Mass Wasting: Definition, Types, Causes & Processes Score: {{cp.lessonAssetIdToProgress[13263].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[13263].bestScoreQuestions}}  Take Quiz Optional
Lesson 12 - Major Triggers for Mass Wasting: Water, Slopes, Vegetation Removal & Earthquakes Score: {{cp.lessonAssetIdToProgress[13264].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[13264].bestScoreQuestions}}  Take Quiz Optional
Lesson 13 - Types of Wasting: Slump, Rockslide, Debris Flow & Earthflow Score: {{cp.lessonAssetIdToProgress[13265].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[13265].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 - Natural Factors That Determine a Region's Climate Score: {{cp.lessonAssetIdToProgress[2522].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2522].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - Active & Passive Continental Margins Score: {{cp.lessonAssetIdToProgress[12397].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[12397].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - Ocean Basins: Definition, Formation, Features & Types Score: {{cp.lessonAssetIdToProgress[12398].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[12398].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - Oceanic Ridge System: Formation & Distribution Score: {{cp.lessonAssetIdToProgress[12399].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[12399].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - Open Ocean Biome: Plants, Animals, Climate & Definition Score: {{cp.lessonAssetIdToProgress[4797].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[4797].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - Types of Marine Organisms Score: {{cp.lessonAssetIdToProgress[12401].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[12401].bestScoreQuestions}}  Take Quiz Optional
Lesson 8 - Aquaculture: Environmental Effects of Fish Farming Score: {{cp.lessonAssetIdToProgress[19324].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[19324].bestScoreQuestions}}  Take Quiz Optional
Lesson 9 - Tidal Energy: Advantages and Disadvantages Score: {{cp.lessonAssetIdToProgress[10330].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[10330].bestScoreQuestions}}  Take Quiz Optional
Lesson 10 - Bioremediation: Microbes Cleaning Up the Environment Score: {{cp.lessonAssetIdToProgress[11251].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[11251].bestScoreQuestions}}  Take Quiz Optional
Lesson 11 - The Clean Water Act & Safe Drinking Water Act: Legislation for Clean Water Score: {{cp.lessonAssetIdToProgress[9079].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[9079].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 - Mechanisms of Heat Transfer: Conduction, Convection & Radiation Score: {{cp.lessonAssetIdToProgress[12475].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[12475].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 - Greenhouse Gases and the Enhanced Greenhouse Effect Score: {{cp.lessonAssetIdToProgress[10321].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[10321].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - Factors That Affect Wind: Pressure Gradient Forces, Coriolis Effect & Friction Score: {{cp.lessonAssetIdToProgress[11545].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[11545].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - The General Circulation of the Atmosphere Score: {{cp.lessonAssetIdToProgress[11547].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[11547].bestScoreQuestions}}  Take Quiz Optional
Lesson 8 - What Is Air Pollution? - Definition, Sources & Types Score: {{cp.lessonAssetIdToProgress[10325].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[10325].bestScoreQuestions}}  Take Quiz Optional
Lesson 9 - The Ozone Layer: Importance and the Harmful Effects of Thinning Score: {{cp.lessonAssetIdToProgress[10323].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[10323].bestScoreQuestions}}  Take Quiz Optional
Course Progress Best Score
Lesson 1 - Temperature, Clouds, Wind & Humidity on the Atmospheric Cycle Score: {{cp.lessonAssetIdToProgress[2521].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2521].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - What is Precipitation? - Definition, Types & Formation Score: {{cp.lessonAssetIdToProgress[12479].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[12479].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - Types of Air Masses & Their Effect on Weather Score: {{cp.lessonAssetIdToProgress[11548].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[11548].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - Understanding Weather Fronts: Types & Their Effect on Weather Score: {{cp.lessonAssetIdToProgress[11549].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[11549].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - What Are Cyclones? - Types, Causes & Effects Score: {{cp.lessonAssetIdToProgress[11552].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[11552].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - What Are Thunderstorms? - Definition, Types & Formation Score: {{cp.lessonAssetIdToProgress[11551].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[11551].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - What Are Tornadoes? - Definition, Causes & The Enhanced Fujita Scale Score: {{cp.lessonAssetIdToProgress[11550].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[11550].bestScoreQuestions}}  Take Quiz Optional
Lesson 8 - Hurricanes: Types, Formation, Causes & Effects Score: {{cp.lessonAssetIdToProgress[11553].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[11553].bestScoreQuestions}}  Take Quiz Optional
Course Progress Best Score
Lesson 1 - Weather vs. Climate: Definition, Differences & Effects Score: {{cp.lessonAssetIdToProgress[11544].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[11544].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - Solar Energy: Effects on Earth's Temperature Score: {{cp.lessonAssetIdToProgress[10320].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[10320].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - Climate Classifications & Their Global Distribution Score: {{cp.lessonAssetIdToProgress[12480].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[12480].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - Biomes: Desert, Tropical Rainforest, Savanna, Coral Reefs & More Score: {{cp.lessonAssetIdToProgress[415].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[415].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - Biomes: Tundra, Taiga, Temperate Grassland, and Coastlines Score: {{cp.lessonAssetIdToProgress[2367].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2367].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - Causes of Glaciation Score: {{cp.lessonAssetIdToProgress[13577].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[13577].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - Global Climate Change: Effects and Mitigation Strategies Score: {{cp.lessonAssetIdToProgress[10322].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[10322].bestScoreQuestions}}  Take Quiz Optional
Lesson 8 - Fossil Fuels, Greenhouse Gases, and Global Warming Score: {{cp.lessonAssetIdToProgress[2366].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2366].bestScoreQuestions}}  Take Quiz Optional
Course Progress Best Score
Lesson 1 - Telling Time in Ancient Times Score: {{cp.lessonAssetIdToProgress[19970].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[19970].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - Geocentric, Heliocentric & Ptolemaic Models of the Universe Score: {{cp.lessonAssetIdToProgress[19973].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[19973].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - The Copernican Revolution Score: {{cp.lessonAssetIdToProgress[19974].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[19974].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - Tycho Brahe's Contribution to Astronomy Score: {{cp.lessonAssetIdToProgress[19975].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[19975].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - Galileo, the Telescope & the Church Score: {{cp.lessonAssetIdToProgress[1160].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[1160].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - Sir Isaac Newton And Astronomy Score: {{cp.lessonAssetIdToProgress[19977].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[19977].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - Types of Telescopes: Radio, Reflecting & Refracting Telescopes Score: {{cp.lessonAssetIdToProgress[2956].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2956].bestScoreQuestions}}  Take Quiz Optional
Lesson 8 - The Nature of Light: Origin, Spectrum & Color Frequency Score: {{cp.lessonAssetIdToProgress[4914].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[4914].bestScoreQuestions}}  Take Quiz Optional
Lesson 9 - The Constellations: Definition & Name Origins Score: {{cp.lessonAssetIdToProgress[19967].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[19967].bestScoreQuestions}}  Take Quiz Optional
Course Progress Best Score
Lesson 1 - Types of Stars by Size, Color and Life Cycle Score: {{cp.lessonAssetIdToProgress[2958].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2958].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - Determining the Temperature of a Star Score: {{cp.lessonAssetIdToProgress[21188].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[21188].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - The Brightness Of Stars Score: {{cp.lessonAssetIdToProgress[20941].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[20941].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - Measuring The Distance to a Star Score: {{cp.lessonAssetIdToProgress[20939].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[20939].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - Star Formation: Main Sequence, Dwarf & Giant Stars Score: {{cp.lessonAssetIdToProgress[2955].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2955].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - What is a Main Sequence Star? Score: {{cp.lessonAssetIdToProgress[20934].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[20934].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - Supernova and Supergiant Star Life Cycle Score: {{cp.lessonAssetIdToProgress[2961].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2961].bestScoreQuestions}}  Take Quiz Optional
Lesson 8 - Life Cycle of Neutron Stars Score: {{cp.lessonAssetIdToProgress[3209].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3209].bestScoreQuestions}}  Take Quiz Optional
Lesson 9 - Life Cycle of Black Holes Score: {{cp.lessonAssetIdToProgress[2962].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2962].bestScoreQuestions}}  Take Quiz Optional
Lesson 10 - Galaxy Formation: Spiral, Elliptical & Irregular Galaxies Score: {{cp.lessonAssetIdToProgress[2957].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2957].bestScoreQuestions}}  Take Quiz Optional
Lesson 11 - Types of Star Clusters Score: {{cp.lessonAssetIdToProgress[20935].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[20935].bestScoreQuestions}}  Take Quiz Optional
Lesson 12 - Origins of the Universe: The Big Bang and Expanding & Contracting Universes Score: {{cp.lessonAssetIdToProgress[2953].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2953].bestScoreQuestions}}  Take Quiz Optional
Lesson 13 - Evidence for the Big Bang Theory: Background Radiation, Red-Shift and Expansion Score: {{cp.lessonAssetIdToProgress[2954].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2954].bestScoreQuestions}}  Take Quiz Optional

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Practice Final Exam
Practice Chapter Exams
Ch. 2:  Holt McDougal Earth Science Chapter 2 - Maps as Models of the Earth
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Ch. 22:  Holt McDougal Earth Science Chapter 22 - Exploring Space
Chapter too short for exam
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