Faithin Omaha eBook Collection

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? R

"Explains how to use the scientific method to conduct several science experiments about ecosystems. Includes ideas for science fair projects"--Provided by publi

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? R

"Explains how to use the scientific method to conduct several science experiments about ecosystems. Includes ideas for science fair projects"--Provided by publi

What is the best way to clean oil off feathers? How does soil erosion affect plant growth and food supply? Can the force in wind be used to generate electricity