Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.

Discover whether cold or hot water from the faucet will boil faster on the stove.

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.

Amaze your kids by separating a salt and pepper mixture using an "electric spoon" charged with wool.

Learn how to demagnetize a magnet and how physics can explain this phenomenon with this enlightening science fair project.

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

Is it a square or a circle? See if you can trick your friends with this zany science project!

Are you ready to be a detective for science? Then get out your magnifying glass and start studying fingerprints!

In this activity, your child will be challenged to make a tower using paper cups.

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

This surprisingly good glue recipe comes from common kitchen items.

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

Kids will learn about the interaction of lactose and lactase in milk and discover why we describe enzymes as catalysts in this fun science fair project.

Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.

In this exciting and empowering challenge, your child will construct a bridge using marshmallows and toothpicks!

This science fair project idea examines the reason boats are shaped and engineered.

Let your young scientist explore a brave new world of sound with an experiment that just requires a handful of common household items.

This science project explores the concept of being opaque or clear. Can you make something clear opaque? Or something opaque clear?

Set off an a science adventure as you prepare a row of bee homes for your new visitors.

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

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

Your child can explore the wonders of science, and the concept of dehydration, along with creating a healthy and tasty treat!

Before your treat your child (and yourself!) to a yummy snack, help her learn a little about Sir Isaac Newton's First Law of Motion!

Show your child how to construct a homemade thermometer. It's hands-on fun and a great way to learn about this important instrument!

This science fair project idea determines if the temperature of rubber effects how high it bounces.

In this activity your child will create their very own marble maze!

What's the difference between a microwave and an oven? Use mashed potatoes to explore which kitchen appliance does a better job at keeping food warm.

Inspire your child to put on her engineer hat for the day, as she builds her very own, double-decker bridge.

In this activity, your student will be invited to build a chair out of building blocks that is designed to meet the specific size and shape of a small doll or toy figure.