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

The buoyant force of water explains why some objects float in water. But why do some objects sink? Find out in this physics experiment and learn about density.

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 this science fair project, kids start a chemical reaction that will make a balloon inflate itself!

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.

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

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

In this design challenge, students will be tasked with creating a bouncy ball polymer!