This science fair project idea demonstrates that plants give off water.

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

In this science fair project, students use the streak test to tell minerals apart from each other.

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

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.

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.

This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

Learn all about balance and motion as your child designs a corn maze!

Using a toy race car kids create a visual model of the Doppler Effect.

What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.

Be a chemist for a day and study the simple reaction between sugar and heat. Try heating sugar and see what happens!

Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.

Test whether plants can grow without sunlight and water.

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

This science fair project teaches students the differences between fruits and vegetables.

The possibilities are endless with this fun Halloween-themed STEM activity! With simple supplies, your child will experiment, adapt, and use their creativity while they build structures using different specifications.

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.

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

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

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.

Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.

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

This science fair project idea investigates how magnetism can defy the force of gravity.

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

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

Can you imagine a sky filled with bright, colorful bubbles? Make this whimsical scene come alive with bubble science!

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

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.