CK-12 Foundation
Ck 12: Earth Science: Expansion of the Universe
[Free Registration/Login may be required to access all resource tools.] Recognize how redshift suggests the universe is expanding.
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Ck 12: Earth Science: Explosive Eruptions
[Free Registration/Login may be required to access all resource tools.] Explosive eruptions cause widespread damage and are very dangerous.
CK-12 Foundation
Ck 12: Earth Science: Explosive Eruptions
[Free Registration/Login may be required to access all resource tools.] Explosive eruptions cause widespread damage and are very dangerous.
CK-12 Foundation
Ck 12: Earth Science: Extinction and Radiation of Life
[Free Registration/Login may be required to access all resource tools.] Describes how species die out, and how new ones evolve to fill the vacant niches.
CK-12 Foundation
Ck 12: Earth Science: Faults
[Free Registration/Login may be required to access all resource tools.] Covers rock stress, fractures, and types of faults.
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Ck 12: Earth Science: Flooding
[Free Registration/Login may be required to access all resource tools.] What causes floods, their effects, and how to protect yourself from them.
CK-12 Foundation
Ck 12: Earth Science: Flooding
[Free Registration/Login may be required to access all resource tools.] What causes floods, their effects, and how to protect yourself from them.
CK-12 Foundation
Ck 12: Earth Science: Flow of Matter in Ecosystems
[Free Registration/Login may be required to access all resource tools.] How matter is circulated throughout an ecosystem.
CK-12 Foundation
Ck 12: Earth Science: Flow of Matter in Ecosystems
[Free Registration/Login may be required to access all resource tools.] How matter is circulated throughout an ecosystem.
CK-12 Foundation
Ck 12: Earth Science: Fog
[Free Registration/Login may be required to access all resource tools.] Describes fog.
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Ck 12: Earth Science: Formation of the Moon
[Free Registration/Login may be required to access all resource tools.] How the moon was formed.
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Ck 12: Earth Science: Formation of the Sun and Planets
[Free Registration/Login may be required to access all resource tools.] How the Sun and planets formed.
CK-12 Foundation
Ck 12: Earth Science: Fossil Fuel Formation
[Free Registration/Login may be required to access all resource tools.] How fossil fuels are created.
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Ck 12: Earth Science: Fossil Fuel Reserves
[Free Registration/Login may be required to access all resource tools.] Describes reserves of traditional and alternative fossil fuels.
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Ck 12: Earth Science: Fresh Water Ecosystems
[Free Registration/Login may be required to access all resource tools.] Describes freshwater ecosystems such as lakes, wetlands and swamps.
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Ck 12: Earth Science: Galaxies
[Free Registration/Login may be required to access all resource tools.] Examines galaxies and how they are divided into three types according to shape.
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Ck 12: Earth Science: Geological Stresses
[Free Registration/Login may be required to access all resource tools.] How geological stresses affect rocks.
CK-12 Foundation
Ck 12: Earth Science: Geological Stresses
[Free Registration/Login may be required to access all resource tools.] How geological stresses affect rocks.
CK-12 Foundation
Ck 12: Earth Science: Glaciers
[Free Registration/Login may be required to access all resource tools.] Describes what glaciers are.
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Ck 12: Earth Science: Glaciers
[Free Registration/Login may be required to access all resource tools.] Describes what glaciers are.
CK-12 Foundation
Ck 12: Earth Science: Global Wind Belts
[Free Registration/Login may be required to access all resource tools.] Describes how regional differences in solar radiation create global wind belts.
CK-12 Foundation
Ck 12: Earth Science: Greenhouse Effect
[Free Registration/Login may be required to access all resource tools.] Explains the greenhouse effect and how humans affect the greenhouse gas level.
CK-12 Foundation
Ck 12: Earth Science: Greenhouse Effect
[Free Registration/Login may be required to access all resource tools.] Describes different greenhouse gases and how human actions impact the greenhouse effect.
CK-12 Foundation
Ck 12: Earth Science: Groundwater Aquifers
[Free Registration/Login may be required to access all resource tools.] The features of aquifers and the water table.