Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.

This science fair project teaches students about wilting and browning of salad greens.

This recipe makes bubbles that not only blow up nice and big, but do tricks and experiments! How do you do it? It's not a secret, it's science!

Discover whether cold or hot water from the faucet will boil faster on the stove.

Are you ready to be a detective for science? Then get out your magnifying glass and start studying fingerprints!

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

In this project, build an insect model that shows how the head, thorax, and abdomen fit together! Learn insect anatomy by constructing a paper mache critter.

In this activity, your child will transform an egg into a glowing, bouncy "ball" that they can play with.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

In this project children practice the scientific method while playing with puffy paint.

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

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

In this design thinking activity, your child will choose an animal to research, learn about the animal’s habitat, and then replicate the animal's habitat using household items.

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

In this exciting and empowering challenge, your child will construct a bridge using marshmallows and toothpicks!

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

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

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

How do organic materials become soil? This science experiment measures what materials biodegrade.

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.

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.