Curated OER
Constructive and Destructive forces
Young scholars explore constructive and destructive forces. In this constructive and destructive forces lesson, students complete a WebQuest. Young scholars explore the different types of forces and their effect on the surrounding...
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.