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This project determines what category of person is most likely to be ticklish.

This science fair project idea investigates which objects float and sink in honey, water, and oil.

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

This recipe makes bubbles that not only blow up nice and big, but do tricks and experiments! How do you do it? It's not a secret, it's science!

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

In this activity, your child will transform an egg into a glowing, bouncy "ball" that they can play with.

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

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

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

Be a chemist for a day and study the simple reaction between sugar and heat. Try heating sugar and see what happens!

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.

Test whether plants can grow without sunlight and water.

Children have a naturally inquisitive mind. Foster their curiosity with a walk through an autumn field or park to answer age-old “why” questions. As you walk with your child, you can encourage them to ask questions.

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

This science fair project idea explores how length affects the weight a bridge can hold.

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

What's cooler than an explosion? Not much! This simple science experiment lets kids build their own pop rocket. So put on your safety goggles and let her rip.

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

Air invisible; it doesn't make sounds; you can't pick it up and throw it. So how do we know it exists? Help your second grade scientist figure it out.

Learn all about balance and motion as your child designs a corn maze!

Children will learn why and how to compost as they help with the process of filling their compost, turning it, and observing the changes that occur.

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

Milk is made of water and fat; but how can you separate the two? Find out in this color changing milk experiment.

How does water pressure change with depth? Kids learn how pressure works underwater with this cool and easy demo.