This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

Explore the scientific concept of capacity by seeing how many pennies you boat can hold before it sinks!

This science fair project idea investigates if webbed feet help a duck (and others) swim.

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

In this project children practice the scientific method while playing with puffy paint.

With Halloween right around the corner, find a way to use your brain and reward your tummy with a new type of science -- candy science!

Here's a science activity to help your child investigate how seeds are designed to travel.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

Step into the fantastic world of colors with a project that explores what shade you -- and your friends -- like best.

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

It's rhyme time! With this science fair project idea, your child will find out which words can be considered easy rhyming words, and why.

Help kids tap into their inner inventor by teaching them how to make peanut butter through trial, error, and lots of taste testing!

This science fair project examines how seeds hitchhike on animals and clothing.

Find out whether we can create motion in a dish and as a result, create a wonderful and colorful show.

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.

In this science fair project, young children discover what happens when two fluids that have different densities get together.

In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

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.

In this science fair experiment, children demonstrate the relationship between the amount of stuff and the amount of pressure in a closed system.

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.