Determine if certain colors of light are more effective for photosynthesis. Plant seeds in cardboard boxes with different light, record visible growth.

Create safe lightning for kids! They'll learn how to make lightning at home with this fun science fair project idea illustrating static charges and grounding.

Science fair project that compares the relative carbon dioxide concentrations of various gases, including different types of vehicle emissions.

Construct a model of radioactive decay. Learn more about radioactive decay by modeling the process using coin flips.

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

How do the phases of the Moon and gravity cause spring tides and neap tides? Does the Sun play a role in the tides? Figure it out in this fun science project!

In this physics project, you'll learn how to find the maximum height of a projectile using some math and trigonometry.

Kids make a paperclip perform an act of magnetic levitation and test how effective various materials are at magnetic shielding in this science fair project.

Determine how different measurements of the same object might yield different values. Provide as many reasons that you can think of.

Enter the buzz worthy world of bee watching and find out what time bees like to wake up!

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

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

Check out this cool middle school science fair project idea to determine if shopping carts are really carriers of harmful bacteria.

Slime: It's oozy, it's goopy, and it's just plain fun! Learn how to make slime with this fun science fair project.

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

Young physicists learn about apparent weightlessnessâthat weird sensation you sometimes feel in elevators, turbulent airplanes, and roller coasters.

What does a raindrop look like when it splashes on the ground? Is each raindrop unique like snowflakes? Find out how raindrop size varies in this experiment.

Students will investigate the illumination durations and intensities of different luminous substances of different colors of the spectrum.

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.

Learn how to demagnetize a magnet and how physics can explain this phenomenon with this enlightening science fair project.

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.

Learn about calorimetry, make a bomb calorimeter, and experiment with combusting different nuts to see which one produces the most energy!

This project examines various algorithms to determine the ideal algorithm for a strategy game.

Melt the ice, but save the lawn. The objective of this science fair project is to explore the effects of different substances on melting ice.

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

Determine whether the application of Febreeze will lower the bacterial count.

This project is about after-images and what possibly affects them.

Get a cool science fair project idea for middle schoolers on the effect of adding sugar to the growth of green plants.

Is horse manure a possible energy source in a crisis? Use calorimetry to find out how much energy horse manure can produce in this science fair project.