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

Understanding absorption means understanding why certain fibers and materials can absorb water! Kids will see absorption in action in this simple 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.

How powerful is the reaction between baking soda and vinegar? Find out here!

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.

How does a compass work? What's a magnetic field? Kids will build their own compass at home to find the answers in this great science fair project idea.

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.

In this experiment you explore how tectonic plates move to create land and expand bodies of water.

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.

The project determines the forces that cause paper airplanes to fly and determine which type of paper airplane flies the farthest.

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

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

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.

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

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

Gather some friends for a bubbly soda taste test do determine calories' role in your favorite drinks.

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

The objective of this science fair project is to explore the relationship between acidic and basic compounds.

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.

How does a flashlight work? Kids will make a complete circuit and explore how voltage contributes to brightness with this science fair project idea.

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