Has your kid noticed how much bigger the moon looks when it's low in the sky? Here's an activity you can do to show them that it's just an optical illusion.

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.

Help your child get a grasp on what it was like to build gigantic ancient structures with this easy engineering activity about science and physics.

Learn how to make marbleized paper with simple everyday ingredients in this fun activity! Your child will learn about oil and water while doing this project.

Have your child build his own mini waterfall, and help him develop his planning, problem solving, and architectural skills.

Your 1st grade scientist will improve her observation skills as she's encouraged to eat healthy by comparing the dry and fresh fruit in this experiment.

Hone your child's skills of observation and take a look at forensic science for an interesting afternoon of exploration and detective work!

What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.

Help your first grader explore the world of scientific measurement by "weighing" fruit with a "water scale"!

Help your kindergarten scientist discover relative size, density, and buoyancy with this fun, pumpkin science project!

Discover whether different amounts of water added into a wine glass will produce a different pitch when their fingers are rubbed along the rim.

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

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

Here's a fun science experiment that's refreshingly tasty too! Turn regular water into a tasty treat perfect for consuming on a hot day.

Try this chemistry experiment with your curious kid and get some "shocking" results!

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

Want to make Halloween truly eerie? Science to the rescue! These ghouly hands come alive with a little help from simple chemistry.

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

Science isn't ho hum anymore when it involves building catapults to teach your fifth grader about projectile motion.

Did you ever think you could make colors disappear right before your eyes? This science experiment is just like a magic trick: now you see it, now you don't!

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.

Create a homemade pair of sunglasses with colored lenses to see just how light and color affect our sight! Use this fun project to practice science!

Take a look at forensic science with your child. She'll learn how to take a shoe impression, just like the detectives do!

Help your curious third grader construct a dazzling spinning wheel that will teach him about the science behind colors while providing some silly entertainment!

Use reusable, recyclable materials--along with a dose of imagination--to build a castle with first grade geometrical forms.

Wondering how we know that air is there? Here's a quick and easy experiment that proves that air may be thin, but it's not too wimpy to block your shot!

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.

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.

In this science experiment, your child will test the strength of hollow structures in order to understand how strong bird bones really are.

Teach your child how butter is created by shaking up cream the old-fashioned way.