Download or read book Ecosystem Science Fair Projects, Using the Scientific Method written by Pam Walker and published by Enslow Publishers, Inc.. This book was released on 2010-01-16 with total page 168 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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? Readers will find the answers by doing the fun and simple experiments in this book. Many ideas for science fair projects are also included.