The following books and websites contain additional information, activities, and enrichment options. The books may be available through publishers, distributors such as bookstores or online retailers, or library systems.

For Students

Experiments with Motion
Salvatore Tocci, Children's Press, 2003
Forces Around Us
Sally Hewitt, Children's Press, 1998
Levers: Machines in Action
Angela Royston, Heinemann, 2001

For Teachers

Kids' Book of Giant Machines
Erik Bruin, Black Dog & Leventhal Publishers, 2000


Amusement Park Physics: Roller Coaster

For additional websites, see the Best of the Net feature at and sites recommended by the National Science Teachers Association at