Chemical Tests provides third-graders with an introduction to the world of chemistry. Stories include a peek at the periodic table of the elements and profiles of scientists whose discoveries deepened our knowledge of chemistry. Other stories outline the need for caution in using chemicals, while another describes how chemical tests help detectives track down criminals. Students will also read about how plants and animals use natural chemicals to protect themselves from predators as well as about how people from prehistoric times to the present have used chemicals in their daily lives.

ISBN for single copies: 978-1-933008-41-7;
ISBN for sets of eight of this title: 978-1-933008-45-5

• Available for order at http://www.nap.edu/catalog/nsrc/index.html.
  
• Information about the Chemical Tests STC unit
  
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