Ecosystem Science Fair Projects, Revised and Expanded Using the Scientific Method
Pam Walker and Elaine Wood
Page count: 160 pages
File size: 6.5 MB
How do cool temperatures affect the activity of a fish? Do earthworms prefer to live in light or darkness? Do weeds interfere with the growth of other plants? Find the answers by doing the fun and simple experiments in this book. Many ideas for science fair projects are also included.