Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

Let your fourth grade chef mix up butter and sugar with scientific principles about different states of matter, and get delicious toffee, too.

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

Add a little sparkle and shine to your Christmas or Easter decorations: make a charming blown egg ornament in this fourth grade arts and crafts activity.

Here's a tasty summer holiday treat: oatmeal chocolate chip cookie sandwiches filled with cinnamon ice cream.

Are you looking for a new way to help your fourth grader celebrate New Year's Day? Try this Flash Back Book!

Construct and experiment with a periscope using reflected light rays to gather an image.

Use the holiday gift giving season as an excuse to give your fourth grader a valuable lesson in making and keeping a budget!

Mix up a batch of molasses cookies, and you'll have a delicious chance to teach your child some math and social studies in the process!

Kids will learn how to make a steam powered rocket boat, also called a putt putt boat or a pop pop boat, in this great science fair project for 4th graders.

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

Here's a fourth grade science craft with lots of benefits: it's good for birds, good for your child's learning, and good for the planet, too.

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

Future engineers, unite! Discover how to keep a sandcastleâs bridge from falling into the moat.

Turn an abstract lesson into a practical craft with the fun and colorful creation of dough earth layers!

Want to do something a little different for Dad this year? Have your child design his very own Father's Day "Greatest Hits CD" card.

Show your fourth grader how to see her heart in action. Make a simple device out of a drinking straw and clay to help her spot the movement of her pulse!

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

Try hammering some plants with your kids to teach them a valuable lesson in flower science while making beautiful artwork in the process!

How would you dry your wet clothes if your dryer didn't work? Find out with this fun 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.

This sponge relay game is the perfect way to cool off and to keep kids' minds sharp this summer.

This science fair project idea determines what household items are good conductors of electricity.

This science fair project idea explores whether it is easier to balance on a narrow ledge or on a rope.

Celebrate autumn with a seasonal bash. Welcome the fall with a festive party for your little one and her friends, full of crafts, snacks and fun games.

This science fair project idea determines what household items are good conductors of electricity.

Let your fourth grader contribute to your 4th of July picnic with this creative caddy craft project.

To practice place value, here's a fun hands-on activity to get your child flipping through place value with ease!

Here's a homemade bulletin board project to help your fourth grader's school year start off right.