In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.

Start your toy engines -- this is going to be a fast and friction-filled race!

Here's an easy experiment that lets your first grader practice the scientific method, while watching a caterpillar eat.

Want to spark your third grader's interest in gardening? Help him make popsicle stick fairies to decorate an enchanting garden oasis.

This science fair project idea investigates how magnetism can defy the force of gravity.

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

Can you imagine a sky filled with bright, colorful bubbles? Make this whimsical scene come alive with bubble science!

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

You don't need to head to the Arctic to experiment with life in an igloo. Learners can build their own ice igloo at home from water and empty milk containers.

Plants and light seem to be good buddies, but how far does the friendship really go?

How do we know that air exists when we can't see it, taste it, or touch it? Here's a classic experiment that will teach your kid some basics of aerodynamics!

This fun activity makes use of pasta shells, paint, and glue make a crab while your child learns about this unique creature.

People have favorite flavors, but what about ants? Which ant food is the most popular?

Chemistry is a blast with this backyard bomb made from a sandwich bag. All you need are ingredients from the pantry to create a satisfying, and safe, explosion.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

Here's a great early reading and science activity for curious children. Learn how to plant your child's name in seeds for a growing writing activity!

Help your child understand the scientific concept of evaporation with this fun outdoor science activity.

Satisfy your sweet tooth with this easy summer activity! Make homemade ice cream and let your child practice his science skills.

Think you can blow up a balloon without using your mouth? This isn't just a cool trick, it's also a great way to introduce chemistry and biology concepts.

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

Here is a hands-on activity to help third graders understand the four points of a compass...and how we use them to get around.

This experiment works due to a simple principle: plants need light. Build a shoebox maze and watch the plant work though the obstacle course, searching for sun.

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

Take this "paper plate snack test" with your child for a hands-on lesson in making healthier choices to teach your child about what's in his food.

Make a wish upon a tree with this craft that also helps your child learn more about Chinese culture.

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

Do different types of oil mix or stack? Find out in this science fair project idea!