CK-12 Foundation
Ck 12: Earth Science: Paleozoic and Mesozoic Seas
[Free Registration/Login may be required to access all resource tools.] Reveals that during the Paleozoic and Mesozoic, six marine transgressions and regressions caused sea level to rise over the continents, leaving evidence in rocks in...
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: Solar Eclipses
[Free Registration/Login may be required to access all resource tools.] Find out how solar eclipses occur.
CK-12 Foundation
Ck 12: Earth Science: Adaptation and Evolution of Populations
Overview of the basic concepts behind evolution, such as gene variation and adaptations.[Free Registration/Login may be required to access all resource tools.]
CK-12 Foundation
Ck 12: Earth Science: Air Masses
[Free Registration/Login may be required to access all resource tools.] Air masses greatly influence the the weather in a location.
CK-12 Foundation
Ck 12: Earth Science: Air Masses
[Free Registration/Login may be required to access all resource tools.] Air masses greatly influence the the weather in a location.
CK-12 Foundation
Ck 12: Earth Science: Earthquake Characteristics
[Free Registration/Login may be required to access all resource tools.] Presents an overview of earthquakes.
CK-12 Foundation
Ck 12: Earth Science: Earthquake Characteristics
[Free Registration/Login may be required to access all resource tools.] Presents an overview of earthquakes.
CK-12 Foundation
Ck 12: Earth Science: Earthquake Zones
[Free Registration/Login may be required to access all resource tools.] Covers earthquake zones, causes, and conditions.
CK-12 Foundation
Ck 12: Earth Science: Folds
[Free Registration/Login may be required to access all resource tools.] The conditions and factors that lead to rock fold.
CK-12 Foundation
Ck 12: Earth Science: Folds
[Free Registration/Login may be required to access all resource tools.] The conditions and factors that lead to rock fold.
CK-12 Foundation
Ck 12: Earth Science: Gravity in the Solar System
[Free Registration/Login may be required to access all resource tools.] Understand the role of gravity in space.
CK-12 Foundation
Ck 12: Earth Science: Gravity in the Solar System
Understand the role of gravity in the solar system. [Free Registration/Login may be required to access all resource tools.]
CK-12 Foundation
Ck 12: Earth Science: Interior of the Sun
Identify the layers of the Sun's interior. [Free Registration/Login may be required to access all resource tools.]
CK-12 Foundation
Ck 12: Earth Science: Locating Earthquake Epicenters
[Free Registration/Login may be required to access all resource tools.] How to find the epicenter of an earthquake.
CK-12 Foundation
Ck 12: Earth Science: Locating Earthquake Epicenters
[Free Registration/Login may be required to access all resource tools.] How to find the epicenter of an earthquake.
CK-12 Foundation
Ck 12: Earth Science: Processes of the Water Cycle
Understand the water cycle.[Free Registration/Login may be required to access all resource tools.]
CK-12 Foundation
Ck 12: Earth Science: Processes of the Water Cycle
Learn and understand the water cycle. [Free Registration/Login may be required to access all resource tools.]
CK-12 Foundation
Ck 12: Earth Science: Energy Use
[Free Registration/Login may be required to access all resource tools.] Energy use in the U.S. and a comparison of oil use amongst the top oil-using nations.
CK-12 Foundation
Ck 12: Earth Science: Non Renewable Energy Resources
[Free Registration/Login may be required to access all resource tools.] What nonrenewable energy resources and fossil fuels are and how they form, and the drawbacks of using nonrenewable energy resources.
CK-12 Foundation
Ck 12: Earth Science: Flow of Energy in Ecosystems
[Free Registration/Login may be required to access all resource tools.] Describes how energy is transfered from one organism to another.
CK-12 Foundation
Ck 12: Earth Science: Supercontinent Cycle
[Free Registration/Login may be required to access all resource tools.] The history of plate tectonics past and future.
CK-12 Foundation
Ck 12: Earth Science: Pressure and Density of the Atmosphere
[Free Registration/Login may be required to access all resource tools.] How the pressure and density of the atmosphere varies.
CK-12 Foundation
Ck 12: Earth Science: Effect of Continental Position on Climate
[Free Registration/Login may be required to access all resource tools.] How close a region is to the ocean affects its climate.