In this project, a basketball containing different psi is dropped to see how well it bounces.

Science fair project that demonstrates the effect of detergent pollution on fresh water birds' ability to stay afloat.

Start your toy engines -- this is going to be a fast and friction-filled race!

Is it a square or a circle? See if you can trick your friends with this zany science project!

How does water pressure change with depth? Kids learn how pressure works underwater with this cool and easy demo.

Camouflage is one of the most important animal adaptations in the African savanna biome. Kids create their own camouflage with this fun science fair project.

In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

Do you think you can blow down a sand castle with a mighty wind? Find out which material stands up best to erosion in this erosion experiment.

Before you get ready for a delicious scramble or omelet, add a bit of science to your morning routine!

In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

In this experiment you will replicate the mummification process by making a hot dog mummy.

Plants and light seem to be good buddies, but how far does the friendship really go?

This science fair project idea teaches to understand and explore the concepts of crystal formation and dissolving substances.

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

This science fair project idea's objective is to become familiar with items your family regularly throws in the trash.

What do worms eat? Kids find out what kinds of rotting leaves and vegetables worms prefer in this cool compost science fair project.

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

This engaging project encourages young children to practice and refine the important scientific skills of sorting and classification.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

In this experiment, students will create their own version of coquina, a sedimentary rock thatâs formed by seashells and sand, cemented by seawater minerals.

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.

This science fair idea is a great way for kids to explore static electricity. Kids will give a comb a static charge and watch as it separates pepper from salt.

This science fair project will help students learn about non-vascular plants, such as mosses.

In this science fair project, kids will be able to see where germs reside on their hands while gaining insight into the benefits of thorough hand washing.

This science fair project idea teaches that time always passes at the same rate and nothing we do in our daily life âreallyâ affects how fast it moves.

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

What makes your shadow dance around all day? Let's play detective and find out why that sneaky shadow never stays in one place for long.