Help your curious third grader construct a dazzling spinning wheel that will teach him about the science behind colors while providing some silly entertainment!

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

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

In this activity, young learners will make a balance using a plastic hanger and weigh a variety of small objects using candy corn.

Would your child like to learn about a hidden world? All she needs to do is open her box of markers!

Try this fun and simple activity to help nurture your child's observation skills and nourish a growing love of science!

What is the best stain remover for clothes? In this fun and easy science fair project idea, students will identify the best method for laundry stain removal.

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.

This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

Is your child a nature nut with an eye for creative, green-friendly projects? Introduce them to this amazing DIY bird feeder!

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

Crystals are a very special structure. In this third grade activity, your child will learn how to grow salt crystals.

Clouds are formed when warm and cold air meet. Here's a way for kids to see it all up close!

This science fair project compares the allelopathic affects of juglone, a chemical agent produced by the Black Walnut tree, on two plants.

April showers may bring May flowers, but your child can preserve the beauty of spring's bounty all year long with this simple craft project!

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

This science fair project idea highlights decomposition rates by comparing how long it takes an item to decompose in a compost pile vs. a landfill.

Show your child that the simplest ingredients (salt and water) can be used to illustrate the concept of density!

This science fair project idea provides evidence that air is everywhere and takes up space.

This science fair project idea recreates the movement of planetary bodies in order to learn why they sometimes appear to move backwards.

Take to the air with science by experimenting with helicopter seeds right in your own backyard!

This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

Can a horse lead itself to the carrot? Train your horse with carrots and boxes and test horse memory in this fun zoology science fair project.

In this experiment, your child will create two compost bins and see if he can determine what attracts fruit flies.

What can you do with hair after its cut? This science project teaches you practical uses for human hair.

Chemistry isn't just incredible ... sometimes its edible! These crystal lollipops are a delicious introduction to chemistry concepts.

Glass is see-through, but usually you can still see that it is there. In this experiment, we use baby oil to make glass go completely invisible.

Your third grader will be amazed at the explosive combination of vinegar and baking soda in these chocolate volcano cupcakes with white chocolate "lava."

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!

Making your own glass cleaner is easy, effective and inexpensive!