American Geosciences Institute
American Geosciences Institute: Earth Science Week: Magnets at the Core
Young scholars simulate magnetic pole reversal to study the movement of Earth's magnetic poles.
CK-12 Foundation
Ck 12: Fourth Grade Science: Earth Science: Introduction to Earth's Surface
[Free Registration/Login may be required to access all resource tools.] Explains how to find a location and direction on Earth's surface. Discusses topography and various landforms and how they form.
CK-12 Foundation
Ck 12: Fifth Grade Science: Physical Science: Earth as a Magnet
[Free Registration/Login may be required to access all resource tools.] Looks at the Earth as a magnet and how Earth's magnetism benefits living things.