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.
CK-12 Foundation
Ck 12: Earth Science: Groundwater Depletion
[Free Registration/Login may be required to access all resource tools.] How overuse of groundwater can lead to problems.
CK-12 Foundation
Ck 12: Earth Science: Groundwater Pollution
[Free Registration/Login may be required to access all resource tools.] How groundwater can be polluted.
CK-12 Foundation
Ck 12: Earth Science: Growth of Human Populations
[Free Registration/Login may be required to access all resource tools.] Describes how the human population is rapidly expanding.
CK-12 Foundation
Ck 12: Earth Science: Hazardous Waste
[Free Registration/Login may be required to access all resource tools.] Describes various types of hazardous waste.
CK-12 Foundation
Ck 12: Earth Science: Heat Budget of Planet Earth
[Free Registration/Login may be required to access all resource tools.] The balance of heat entering and exiting Earth's atmosphere.
CK-12 Foundation
Ck 12: Earth Science: Heat Waves and Droughts
[Free Registration/Login may be required to access all resource tools.] Describes the causes and effects of heat waves and droughts.
CK-12 Foundation
Ck 12: Earth Science: Heat Waves and Droughts
[Free Registration/Login may be required to access all resource tools.] Describes the causes and effects of heat waves and droughts.
CK-12 Foundation
Ck 12: Earth Science: History of Cenozoic Life
[Free Registration/Login may be required to access all resource tools.] An overview of life of the Cenozoic Era.
CK-12 Foundation
Ck 12: Earth Science: History of Cenozoic Life
[Free Registration/Login may be required to access all resource tools.] An overview of life of the Cenozoic Era.
CK-12 Foundation
Ck 12: Earth Science: History of Mesozoic Life
[Free Registration/Login may be required to access all resource tools.] An overview of life of the Mesozoic Era.
CK-12 Foundation
Ck 12: Earth Science: History of Mesozoic Life
[Free Registration/Login may be required to access all resource tools.] An overview of life of the Mesozoic Era.
CK-12 Foundation
Ck 12: Earth Science: History of Paleozoic Life
[Free Registration/Login may be required to access all resource tools.] Patterns of biological evolution during the Paleozoic Era.
CK-12 Foundation
Ck 12: Earth Science: History of Paleozoic Life
[Free Registration/Login may be required to access all resource tools.] Patterns of biological evolution during the Paleozoic Era.
CK-12 Foundation
Ck 12: Earth Science: Hot Springs and Geysers
[Free Registration/Login may be required to access all resource tools.] How water heated by magma may emerge as a hot spring or geyser.
CK-12 Foundation
Ck 12: Earth Science: Hot Springs and Geysers
[Free Registration/Login may be required to access all resource tools.] How water heated by magma may emerge as a hot spring or geyser.
CK-12 Foundation
Ck 12: Earth Science: Human Evolution
[Free Registration/Login may be required to access all resource tools.] The briefest overview of human evolution.
CK-12 Foundation
Ck 12: Earth Science: Human Evolution
[Free Registration/Login may be required to access all resource tools.] The briefest overview of human evolution.
CK-12 Foundation
Ck 12: Earth Science: Humidity
[Free Registration/Login may be required to access all resource tools.] Describes humidity and dew point.
CK-12 Foundation
Ck 12: Earth Science: Hurricanes
[Free Registration/Login may be required to access all resource tools.] Describes how a hurricane forms and its effects.
CK-12 Foundation
Ck 12: Earth Science: Hurricanes
[Free Registration/Login may be required to access all resource tools.] Describes how a hurricane forms and its effects.
CK-12 Foundation
Ck 12: Earth Science: Hydroelectric Power
[Free Registration/Login may be required to access all resource tools.] Overview of hydroelectric power and its consequences.
CK-12 Foundation
Ck 12: Earth Science: Igneous Rock Classification
[Free Registration/Login may be required to access all resource tools.] How to classify igneous rocks.
CK-12 Foundation
Ck 12: Earth Science: Igneous Rocks
[Free Registration/Login may be required to access all resource tools.] Factors that determine the composition of an igneous rock.