In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

This recipe makes bubbles that not only blow up nice and big, but do tricks and experiments! How do you do it? It's not a secret, it's science!

The fish most kids see is usually filleted, and it's hard to see how it came from a lake or sea. This cool gyotaku activity blends life science with art!

What causes sound? Here's a simple science experiment that adds a visual element to the science of sound to help kids better understand this tricky concept.

Help your child experiment with the combination of acid and baking soda by making these homemade bath bombs!

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

This activity provides a solution to all those leaves on your doorstep, while also giving your child a fun science lesson.

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

Make your own helicopter using a paper clip and a sheet of paper. Hold the spinner up in the air, let it go, and watch it spin gracefully to the ground.

Help your first grader design and create his very own bird feeder out of an empty milk carton.

Have you ever noticed the way a dropped stone makes a fun pattern in a pond or lake? What's the science behind these splashy occurrences?

Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.

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

In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.

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

Introduce your second grader to the crazy world of static electricity with just a balloon and a sheet of paper.

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

Make meringues with your first grader and see how states of matter can transform before your very eyes. Here's how:

Use the textures found in nature to create your own stationery! This fun, outdoor activity will no doubt inspire your child's creative side.

Your third grader will delight in learning about sound waves as he observes the different sounds created by tapping on glasses with varying amounts of water.