CK-12 Foundation
Ck 12: Earth Science: Rocks
[Free Registration/Login may be required to access all resource tools.] Defines the properties of a rock.
CK-12 Foundation
Ck 12: Earth Science: Roles in an Ecosystem
[Free Registration/Login may be required to access all resource tools.] Describes the different roles in an ecosystem.
CK-12 Foundation
Ck 12: Earth Science: Roles in an Ecosystem
[Free Registration/Login may be required to access all resource tools.] Describes the different roles in an ecosystem.
CK-12 Foundation
Ck 12: Earth Science: Safety of Water
[Free Registration/Login may be required to access all resource tools.] How some people do not have access to safe water for drinking and bathing.
CK-12 Foundation
Ck 12: Earth Science: Safety of Water
[Free Registration/Login may be required to access all resource tools.] How some people do not have access to safe water for drinking and bathing.
CK-12 Foundation
Ck 12: Earth Science: Satellites, Shuttles, and Space Stations
[Free Registration/Login may be required to access all resource tools.] Astronauts and space study.
CK-12 Foundation
Ck 12: Earth Science: Satellites, Shuttles, and Space Stations
[Free Registration/Login may be required to access all resource tools.] Astronauts and space study.
CK-12 Foundation
Ck 12: Earth Science: Saturn
[Free Registration/Login may be required to access all resource tools.] Describes the features of Saturn.
CK-12 Foundation
Ck 12: Earth Science: Saturn
[Free Registration/Login may be required to access all resource tools.] Describes the features of Saturn.
CK-12 Foundation
Ck 12: Earth Science: Scientific Community
[Free Registration/Login may be required to access all resource tools.] How the scientific community shares results and monitors scientific integrity.
CK-12 Foundation
Ck 12: Earth Science: Scientific Community
[Free Registration/Login may be required to access all resource tools.] How the scientific community shares results and monitors scientific integrity.
CK-12 Foundation
Ck 12: Earth Science : Scientific Explanations and Interpretations
[Free Registration/Login may be required to access all resource tools.] Presents the relationships of facts, explanations, and opinions in science.
CK-12 Foundation
Ck 12: Earth Science: Seafloor
[Free Registration/Login may be required to access all resource tools.] Examines how Earth scientists study the seafloor.
CK-12 Foundation
Ck 12: Earth Science: Seafloor
[Free Registration/Login may be required to access all resource tools.] Examines how Earth scientists study the seafloor.
CK-12 Foundation
Ck 12: Earth Science: Seasons
[Free Registration/Login may be required to access all resource tools.] Describes how and why seasons occur.
CK-12 Foundation
Ck 12: Earth Science: Seasons
[Free Registration/Login may be required to access all resource tools.] Learn how and why seasons occur.
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Ck 12: Earth Science: Seawater Chemistry
[Free Registration/Login may be required to access all resource tools.] Describes dissolved ions in seawater and their source.
CK-12 Foundation
Ck 12: Earth Science: Seawater Chemistry
[Free Registration/Login may be required to access all resource tools.] Describes the composition of seawater, including dissolved ions in seawater and their source.
CK-12 Foundation
Ck 12: Earth Science: Sedimentary Rock Classification
[Free Registration/Login may be required to access all resource tools.] How to classify sedimentary rocks.
CK-12 Foundation
Ck 12: Earth Science: Sedimentary Rocks
[Free Registration/Login may be required to access all resource tools.] Factors that determine sediments and sedimentary rock materials and composition.
CK-12 Foundation
Ck 12: Earth Science: Short Term Climate Change
[Free Registration/Login may be required to access all resource tools.] How El Nino and La Nina affect the climate.
CK-12 Foundation
Ck 12: Earth Science: Soil Characteristics
[Free Registration/Login may be required to access all resource tools.] Describes the characteristics and types of soil.
CK-12 Foundation
Ck 12: Earth Science: Soil Characteristics
[Free Registration/Login may be required to access all resource tools.] Describes the characteristics and types of soil.
CK-12 Foundation
Ck 12: Earth Science: Soil Erosion
[Free Registration/Login may be required to access all resource tools.] How human activities cause soil erosion.