In this fun activity, your child will create their very own solar oven to bake s'mores!

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.

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

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

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

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

Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.

In this science project, learn about water transport in plants and make a beautiful dyed floral arrangement with cohesion, adhesion, and xylem tubes!

Here's a science experiment that gives your kids a chance to see how fire needs oxygen to burn, with a little math and writing practice thrown in.

Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.

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 science fair project idea investigates if webbed feet help a duck (and others) swim.

Your child can help your family pet take a breather, and help herself relax, too, with this soothing activity.

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

Discover flight initiation distance as you play around in the park with this fun bird watching project!

Discover whether a metal will expand under hot water.

Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

With this cool floating rocks project, your child will get some hands-on experience with buoyancy and learn why certain rocks like pumice are able to float.

Kids will explore the corrosiveness of soda in this cool science fair project by leaving pennies submerged in soda overnight.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

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

Combine your child's natural curiosity with his developing classification and writing skills by helping him create a backyard field guide.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

This trick uses vertical and horizontal forces to help your child to push apart your hands apart, no matter how hard you try to keep them together!

Wiggly worms are known for staying buried in the soil, but how does that affect plants? Are earthworms and plant growth related?

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

Learn how to grow an avocado plant indoors with your 1st grader in this hands-on gardening activity.

Uh-oh! Is that a pill sitting on the counter or a piece of candy?

In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.