In science fair projects, middle school students discover why nitrogen fixing bacteria are important to plant growth.

In this project, you will observe and record changes in sunspots over two weeks.

Does putting soapy water on plants help or hinder plant growth? Kids learn about greywater and how it affects plant growth in this cool science fair project.

This experiment investigates the relationship between the temperature of a candle and its burn rate.

This project examines Newton's First and Second Laws of Motion with a bicycle and water balloons.

Science fair project which determines whether plants are able to get enough nutrients from different types of garbage.

What happens when "coffee-addicts" miss coffee for 1 day? Find out in this science fair project idea!

Check out this cool science fair project on identifying rocks and minerals for kids.

Science fair project which identifies the most effective insulator that you could use to make a winter coat by comparing how well cloth and cotton trap heat.

Science fair project the demonstrates Newton's Third Law using a milk carton filled with water.

This middle school science fair project determines whether DNA is most easily extracted from under-ripe, ripe, or over-ripe strawberries.