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In this design challenge, your child will make a bottle rocket using typical household items.

This science fair project idea explores whether a sundial is as accurate as an atomic clock when telling time.

Science fair project in which you will start a fire from scratch without using matches or a lighter.

Recreate the fantastic phenomena of solar eclipses with your child using just a flashlight, a quarter, and her very own face!

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

Here is a nifty science experiment using Epsom salts to make "frost" appear on a piece of glass.

By using static electricity generated from their body, a child can cause a small fluorescent lamp bulb to light up!

In this design challenge, your child will create a parachute for a small toy using typical household items.

Using a toy race car kids create a visual model of the Doppler Effect.

Is your little scientist up for a rocky challenge? Let them make their own geode rocks using eggs and epsom salts!

Reinforce your child’s understanding of the alphabet by helping them construct all of the letters using pipe cleaners.

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

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.

Demonstrate the properties of pressure and surface tension to explain how water can stay inside an upside down glass using cardboard.

Science fair project in which you will attempt to throw a ball the greatest horizontal distance possible by using different angles.

Using simple materials found around your home, you can reinforce the static electricity concept by helping your child build a simple device with zapping power!

In this game, players will learn interesting facts about animal adaption and practice them using a fun matching card game!

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

What causes the seasons to change? Kids find out by modeling the earth's tilt using a globe, flashlight and graph paper in this cool science fair project idea.

Gymnosperms are coniferous trees that reproduces using pine cones to spread seeds. Check out this simple pine cone experiment to learn about the process!

Got a birdwatcher on your hands? Bring the birds to your backyard by making a zany bird feeder using an orange and some string.

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

This 4th of July, explore fourth grade science and make some safe fireworks in your own backyard using soda pop!

Create a DIY Electromagnet! Using a 9v battery to create an electrical field around a nail, students explore electromagnetism in this cool science project idea.

Every time a sound is produced it emits a sound wave. This experiment demonstrates how sound travels, using nothing more than a spoon and a string!

Here's a fun at-home activity that will help your child strengthen math skills using high and low temperature data, and become a master temperature tracker!

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

Your child will do a fun science experiment using soap and pepper flakes to help understand the concepts of water molecules and the surface tension of water.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.