Title: Why?
First published: 1992
Description: Presents forty-nine experiments for the young engineer, astronomer, chemist, meteorologist, biologist, and physicist.
Subjects: Experiments, Science, Juvenile literature, Engineering, Experiments & Projects, Children: Grades 3-4, Children's 9-12 - Science, Children's Books/Ages 9-12 Nonfiction, Science, experiments, juvenile literature, Science, experiments