In this activity, your kid will watch coal turn into crystals right before her very eyes, and learn some science along the way!

Roasting pumpkin seeds makes for a great Halloween activity, and a healthy snack!

A homemade lava lamp gives any room a retro flair. Find out how to make a homemade lava lamp, and learn some science too, with this educational activity.

In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.

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!

Put your second grade scientist to work this Fourth of July with our colorful "liquid fireworks" project!

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

Help your own young scientist tackle the wonders of static electricity from the comfort of his own home!

Discover whether the â5-second ruleâ is effective at determining whether food is still safe to eat after being dropped on the ground.

In this pinto bean germination experiment, you'll learn about how fertilizer aids in growing pinto beans into seedlings.

This educated-guessing game is great for preschoolers. This activity helps your child work on her reasoning skills.

What is condensation? Little mad scientists will learn about condensation, states of matter, and air pressure by conducting this cool science experiment.

Enjoy those warm spring and summer nights with your child while teaching some basic astronomy at the same time.

Kids conduct a simple birdseed experiment to figure out what kinds of birds live nearby in this fun science activity.

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

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

Cleaning can be a chore, but not with this sudsy experiment!

Got a birdwatcher on your hands? Bring the birds to your backyard by making a zany bird feeder using an orange and some string.

In this CD hovercraft science project, students will construct their own DIY hovercraft.

How do you tell time without a watch? Use the sun! This simple activity will show your child how to build his own sundial.

This science fair project idea produces sounds by creating vibrations using different objects.

Hatch a praying mantis egg case in a homemade habitat with your child's help! This is an amazing experiment in science and nature for kids of any age.

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

Check out this fun science fair project to make a vinegar and baking soda balloon and demonstrate how gas is created as a result of the chemical reaction.

On the next chilly, winter day, invite your fifth grader to make a hand warmer by experimenting with the loaded combination of a few natural ingredients.

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

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

Your second grader will love this simple soda bottle race car activity. Make a ramp and customize your car for an entertaining way to learn scientific concepts.

This science fair project idea determines which method of hand cleansing is the most effective.

In this experiment, students find out what happens when a less-dense fluid interacts with a denser one, replicating the effect of cooler solid rock on magma.