Ecosystem Science Fair Projects (Biology Science Projects Using the Scientific Method)
By Unknown Author.
Description
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. - from Amzon
ISBN(s)
0766034194, 9780766034198
