Description

In the Delta Science Collection Pollution, students read about how human and natural activities can cause land, air, and water pollution. They learn what can be done to reduce pollution and conserve natural resources. They read about the difference between renewable and nonrenewable resources. Noise and light pollution are also introduced. In a biographical sketch, students meet a famous scientist—Rachel Carson—whose warnings about the dangers of pesticides led to the banning of DDT. Finally, students learn about alternative energy sources and why it is important to develop them.

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