What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.

Make a backbone model to explore human anatomy and life science.

Protozoa and ciliate and amoeba, oh my! The objective of this science fair project is for students to use a microscope and identify microscopic life.

Discover flight initiation distance as you play around in the park with this fun bird watching project!

How good are humans at sound localization? Kids can try this cool science fair project idea to see how good their friends are at judging sound direction.

In this experiment, you'll make a seafloor spreading model to learn more about how plate tectonics work and create mid-ocean ridges.

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

In this experiment, kids will see if pruning tomato plants makes them more fruitful and learn about the factors that contribute to a plant's fruit production.

The objective of this science fair project is to experiment with balancing everyday objects and observing the the effects of gravity on materials.

Kids will love making sugar crystals in this sugar crystal science fair project which teaches important chemistry concepts like saturation and solubility.

This easy and inexpensive paper towel science project introduces kids to important physical concepts like cohesion, adhesion, and capillarity.

Examine the effect of pressure on carbonation in soda.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

This science fair project idea explores whether a sundial is as accurate as an atomic clock when telling time.

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

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.

This science fair project idea produces sounds by creating vibrations using different objects.

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

While your cells are much too small to see without a microscope, you can create the look of a cell in your very own home with just an egg and vinegar!

Demonstrate how you can make your own compass using a magnetized needle. It also allows you to compare magnetic north and geographic north.

This science fair project idea researches the different layers of the atmosphere and creates a visual representation of the atmospheric layers.

Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

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.

Kids will learn about insulation, heat conduction, and the economic benefits of energy efficient windows in this cool science fair project.

Climates with more snowfall have more coniferous forests and fewer deciduous ? Learn about how pine trees in a coniferous forest adapted to withstand snow.

Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.

This science fair project idea determines which method of hand cleansing is the most effective.

Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.

What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.