This science fair project idea determines if the temperature of rubber effects how high it bounces.

Explore the neural and mental mechanisms at play in mental imagery.

This science fair project determines what effect substances have on ice, and which of these products most effectively melts ice.

Determine which factors promote the greatest memory interference. Administer test, time how long it takes subjects to complete different tasks.

Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.

Students explore hot desert plant adaptations in this cool science fair project by observing how these organisms prevent excessive transpiration.

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

What is vegetative reproduction? Find out how you can clone plants and regrow cabbage from a stem in this cool experiment!

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

This science fair project idea determines whether dogs can be trained faster using a food reward or praise.

Wiggly worms are known for staying buried in the soil, but how does that affect plants? Are earthworms and plant growth related?

This science fair project idea measures the growth of bread dough and finds out how long it takes for the dough to stop rising.

Water, along with soil and light, is a necessary component for plant growth. So what's better for promoting plant growth: tap water, or rain water?

Learn how acid-base catalysis affects enzymes and enzymatic reactions in this science project.

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

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

Kids explore how a single movable pulley can confer a mechanical advantage over a fixed pulley in this cool engineering science fair project for 2nd grade.

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

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

In this cool psychology experiment, study how companies air commercials to strategically advertise to viewers who will buy their products.

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.

This science fair project idea highlights decomposition rates by comparing how long it takes an item to decompose in a compost pile vs. a landfill.

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 experiment, learn how to find specific gravity of minerals using liquids of different densities to see which substances and items sink and float.

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

The objective of this science fair project is to determine whether there are gender differences when boys and girls view optical illusions.

This science fair project idea investigates whether plants can survive being frozen.

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.

How does smell affect taste? Ready your taste buds--in this project, you'll gather some test subjects and do a taste test to see how much smell affects taste.