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CK-12 Foundation
Ck 12: Earth Science: Atoms to Molecules Study Guide
Understand the basic structure of atoms and molecules in the Earth's crust.
Other
Moorland School: Earth Science Zone: The Structure of the Earth
Take a look at the Earth from the inside out. This site shows the different layers of the earth with an explanation of the rocks and materials in each layer. Includes a quiz on the structure of Earth.
American Geosciences Institute
American Geosciences Institute: Earth Science Week: Mapping Vertical Movements
Using flubber and plastic wrap, young scholars study the Earth's crust and mantle.
Morning Earth
How Life Works: Biosphere Is Process: Life Helps Make Earth's Crust
Scholars explore the Earth science topic of the Earth's basic structure. The tutorial consists of definitions and pictures about the Earth's crust.
Exploratorium
Exploratorium: Faultline: P and S Waves
The different types of earthquake waves are discussed and illustrated. Features geologist video clip.
Science Struck
Science Struck: The Four Main Layers of the Earth
Gives short descriptions of the crust, mantle, outer core, and inner core.