Learn about sound physics and do a survey experiment to explore the difference between sound and noise in this science project.

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

In this project, sunlight is blocked from a leaf in order to see the affect that sunlight has on leaves.

It's food. It's Thanksgiving tradition. And guess what: Cranberry Sauce is also science! Try our simple recipe/experiment.

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

Make a backbone model to explore human anatomy and life science.

Try this chemistry experiment with your curious kid and get some "shocking" results!

Combine the science of physics with the fun of playing spy. Your young detective can make his own tiny looking glass. It's simple to make!

Learn how to make marbleized paper with simple everyday ingredients in this fun activity! Your child will learn about oil and water while doing this project.

Learn how to make a weathervane with this fun and simple meteorology project for fourth graders.

Here's an interesting activity that will enable your child to make his own magnifier out of a drop of water

In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.

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

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

An hour glass, also known as a sand clock, keeps time. In this activity, your child will make her own sand clock and measure the time it keeps.

Make a DIY golf putter and design your own golf putting course in this 2nd-3rd grade arts and crafts/game activity.

Who knew that you could make beads out of rose petals? Not only can it be done, but the beads smell wonderful!

With a clear bottle and a few plastic straws, you can easily make a hummingbird feeder and demonstrate the effects of atmospheric pressure at the same time!

Want to make Halloween truly eerie? Science to the rescue! These ghouly hands come alive with a little help from simple chemistry.

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

Make your own helicopter using a paper clip and a sheet of paper. Hold the spinner up in the air, let it go, and watch it spin gracefully to the ground.

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 activity, you'll not only make your own bouncy balls at home, but your child will also learn how polymers are made.

This basketball project explores the best way to make the perfect shot every time.

This simple "how to make a water wheel" activity makes physics come alive for your child by demonstrating how different kinds of energy work.

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

In this activity, your kid will watch coal turn into crystals right before her very eyes, and learn some science along the way!

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.