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Delta Science Readers Food Chains & Webs Collection

In the Delta Science Collection Food Chains and Webs, students read about what an ecosystem is, how living things in an ecosystem get energy, and how ecosystems can change. Students explore the interaction of living things and discuss food chains and webs. The book also presents biographical sketches of key scientists, Charles Darwin and Rachel Carson, and describes the work of an ecologist. Students also will discover the relationship between moose and wolf populations on Isle Royale and consider the changing ecosystems on a mountain.

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
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