CK-12 Foundation
Ck 12: Earth Science: Metamorphic Rocks
[Free Registration/Login may be required to access all resource tools.] Covers metamorphic rocks, which form from previous rocks exposed to heat and/or pressure.
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Ck 12: Earth Science: Principle of Uniformitarianism
How to use information from the present to understand the past.[Free Registration/Login may be required to access all resource tools.]
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Ck 12: Earth Science: Population Size
[Free Registration/Login may be required to access all resource tools.] Looks at how environmental factors put limits on population sizes.
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Ck 12: Earth Science: Groundwater Depletion
[Free Registration/Login may be required to access all resource tools.] Looks at how the overuse of groundwater can lead to problems.
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Ck 12: Earth Science: Availability of Natural Resources
[Free Registration/Login may be required to access all resource tools.] Explores some of the factors that affect the cost of resources, such as availability, ease of extraction, and politics.
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Ck 12: Earth Science: How Ocean Currents Moderate Climate
[Free Registration/Login may be required to access all resource tools.] Looks at how ocean currents transfer heat from one place to another.
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Ck 12: Earth Science: Effect of Atmospheric Circulation on Climate
[Free Registration/Login may be required to access all resource tools.] Looks at how atmospheric circulation cells affect the climate of regions.
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Ck 12: Earth Science: Effect of Altitude and Mountains on Climate
[Free Registration/Login may be required to access all resource tools.] Studies the effects of altitude and mountain ranges on weather and climate.
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Ck 12: Earth Science: Weather vs. Climate
[Free Registration/Login may be required to access all resource tools.] Compares and contrasts the short-term phenomenon of weather with the long-term average of weather, otherwise known as climate.
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Ck 12: Earth Science: Volcanoes at Hotspots
[Free Registration/Login may be required to access all resource tools.] Volcanoes can form at hotspots away from plate boundaries. This article discusses hotspot activity and how it leads to volcanism in the oceans.
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Ck 12: Earth Science: Heat Transfer in the Atmosphere
[Free Registration/Login may be required to access all resource tools.] Looks at how heat is transferred in the atmosphere.
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Ck 12: Earth Science: Deep Ocean Currents
[Free Registration/Login may be required to access all resource tools.] Learn how water with different densities drives deep ocean circulation.
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Ck 12: Earth Science: Paleozoic Plate Tectonics
How plate tectonics formed Pangaea. [Free Registration/Login may be required to access all resource tools.]
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Ck 12: Earth Science: Wind Waves
[Free Registration/Login may be required to access all resource tools.] Wind picks up water and forms ocean waves that travel along the surface.
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Ck 12: Earth Science: Types of Volcanoes
[Free Registration/Login may be required to access all resource tools.] Different types of eruptions create different types of volcanoes.
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Ck 12: Earth Science: Types of Air Pollution
[Free Registration/Login may be required to access all resource tools.] Distinguishes between primary and secondary pollutants and identifies examples of each.
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Ck 12: Earth Science: Tectonic Plate Motions
Earth's tectonic plates and how they move. [Free Registration/Login may be required to access all resource tools.]
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Ck 12: Earth Science: Short Term Climate Change
[Free Registration/Login may be required to access all resource tools.] Looks at how El Nino and La Nina affect the climate.
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Ck 12: Earth Science: Sedimentary Rocks
[Free Registration/Login may be required to access all resource tools.] Describes how sediments weather, erode, and are deposited in a sedimentary environment.
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Ck 12: Earth Science: Sedimentary Rock Classification
[Free Registration/Login may be required to access all resource tools.] Explains that sedimentary rocks are classified by how they formed and by grain size.
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Ck 12: Earth Science: Radiometric Dating
[Free Registration/Login may be required to access all resource tools.] Elaborates on radioactive decay as a tool for determining the age of certain minerals and other materials, including the limits of the technique.
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Ck 12: Earth Science: Principles of Relative Dating
[Free Registration/Login may be required to access all resource tools.] Introduces Steno's laws, which allow scientists to decipher the geological events that occurred and the order in which they took place, including how the relative...
CK-12 Foundation
Ck 12: Earth Science: Preventing Hazardous Waste Problems
[Free Registration/Login may be required to access all resource tools.] Explains how to prevent hazardous waste pollution and how the Superfund Act regulates this type of pollution.
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Ck 12: Earth Science: Predicting Weather
[Free Registration/Login may be required to access all resource tools.] Looks at how meteorologists predict the weather.