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

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

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

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

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

In this challenge, students are tasked with creating a car that can be powered by a balloon!

Students pit the heat capacity of water against the heat capacity of oil while looking at the effects of dipole rotation in this cool science fair project idea.

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

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

In this challenge, students are tasked with creating an insulated cup that will keep beverages colder for longer than a regular cup.

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

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.

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

This experiment evaluates if a noisy environment makes it harder for test subjects to perform tasks that require hand-eye coordination.

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

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

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.

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