Description

The Delta Science Collection Earth Processes, students learn about the Earth's composition and how its surface has changed over time. Students examine the Earth's plates and how their movement impacts its surface. Students explore weathering, erosion and deposition as well as the causes of each. They also look at how rocks and soil are created and how they can be conserved. Finally, students learn about Harry Hess and Geological Time.

Delta Science Readers are 16-page nonfiction books for students with informative, engaging full-color photos and graphics that present key science concepts and vocabulary.

Using science material they promote reading in the specific content area. Readers present key science content and vocabulary found on most state tests and support and extend the experiences and content of hands-on activities. They also help students develop informational literacy skills while promoting scientific inquiry.

Each reader has three main sections:

1. Think About...
   Contains key information about the unit topic
2. People in Science
   Provides historical biographies, careers in science
3. Did You Know?
   Includes high-interest articles or selections