Description

In the Delta Science Collection Water Cycle, students read about why Earth is called the water planet. They find out about salt water and fresh water and where each kind of water is found. They observe how water changes form by freezing, melting, evaporating, and condensing. They trace the water cycle and find out how heat energy from the sun is related to the water cycle. They learn how Earth’s weather is affected by the water cycle. They also read about Luke Howard, the scientist who first classified clouds. Finally, students investigate water as a natural resource.

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