This project compares the strength of one, two, and three-ply toilet paper.

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

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 fun science project, learn about what happens to cut fruit and experiment with how to stop apples from turning brown.

Explore how sound waves are reflected and absorbed by producing echoes. Analyze which locations produce echoes.

This project examines whether playing music during class helps students learn or if it distracts students from learning.

Do hand soaps and sanitizers prevent the growth of bread mold? If so, why? Kids will find out with this fun and informative science fair project idea.

The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

Have you ever noticed the ridges on a dog's nose? In this project, we take several dogs' nose prints and discover just how unique they are!

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.

Does skin thickness really decrease fruit spoilage? Find out in this science fair project idea!

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

Uh-oh! Is that a pill sitting on the counter or a piece of candy?

In this air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.

This science fair project idea investigates how the shape of an object affects drag.

In this simple science project, learn about what causes dew and what affects dew formation with a drinking glass, ice, and a soda bottle.

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

Want to see a great example of Newton's first law? Kids will learn about basic physics with this fun, ballistic experiment.

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 fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

The goal of this project is to create an exciting topographical map out of dough.

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

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

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.

Before you get ready for a delicious scramble or omelet, add a bit of science to your morning routine!

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

In this science fair project, students create their own miniature salt flats at home.