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.

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

What is vegetative reproduction? Find out how you can clone plants and regrow cabbage from a stem in this cool experiment!

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

Find out whether packaged seeds actually do expire in this new science fair project idea.

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

Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.

In this challenge, students are tasked with creating a model roller coaster that a marble can travel through.