Description

In the Delta Science Collection Erosion, students read about Earth’s structure. They find out about the slowly moving plates that make up Earth’s surface and how they are related to mountain building, trenches, earthquakes, and volcanoes. They learn about physical and chemical weathering and how they contribute to soil formation. They are introduced to the causes of erosion and deposition and the landforms that are the result of these forces. They also read about soil conservationists and the ways they work to conserve soil and control erosion. Finally, students learn about floods.

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