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With this cool floating rocks project, your child will get some hands-on experience with buoyancy and learn why certain rocks like pumice are able to float.

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.

In this cool science fair project, kids apply basic algebra to learn how to make a PVC pipe instrument while exploring concepts like frequency and resonance.

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.

How is NASA able to launch something into orbit around the Earth? Learn about the relationship between gravity, speed, and orbit in space in this cool project!

Build a magnetic linear accelerator using a ruler, neodymium magnets, and small metal balls in this fun science fair project exploring magnetic propulsion.

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

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

Explore how dielectric heating comes into play when microwaving various liquids in this science project. This test will help you understand how microwaves work!

In this experiment, students find out what happens when a less-dense fluid interacts with a denser one, replicating the effect of cooler solid rock on magma.

This project examines Newton's First and Second Laws of Motion with a bicycle and water balloons.

Examine the presence of seeds in open fields. Collect seeds on socks by walking through open fields of grass or other growth. Germinate seeds on socks

The goal of this science fair project is to evaluate the effect of heat on sound wave frequency.

Kids use applied math to build and test a parabolic mirror solar hot dog cooker in this cool engineering science fair project idea for middle school.

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

The objective of this experiment is to identify common materials that absorb sound waves with the greatest efficiency.

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

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?

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 experiment, young ecologists will learn about a type of edge effect: how trees and plants at the edge of a forest can act as a weed filter.

This conservation of energy demonstration shows why the first hill is the highest on a roller coaster. Learn more about potential and kinetic energy!

This science project has students study the idea of human beauty.

Determine how salinity affects the circulation of warm and cold water. Note whether the warm water mixes or forms a layer with cold water.

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

How does dishwashing liquid work? Kids discover the chemical mechanism behind cleansing power in this easy science fair project idea.

Learn how to relight a candle by lighting the vaporized wax in the smoke, and test how various kind of wax and candle brands relight differently.

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.

Science fair project idea examines different techniques for memorization. Analyze results of memory tests to determine which method is most effective.

This experiment tests which gender is better at catching how a magician performs his tricks.