How do people move pianos and heavy furniture into tall buildings? Show your kids some pulley potential with this simple household exercise!

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.

Teach your child about using pumps to move water in this simple and educational preschool science activity!

Help your kindergarten scientist understand the concept of surface tension with this simple science experiment.

First grade science often covers solids, liquids, and gases. This silly science explores serious facts about the difference between all three.

This easy Halloween-themed science experiment for first-graders is perfect for chilly October afternoons or great as a Halloween party activity.

This science exploration lets your first grader see how eggs can provide a perfect environment for a living, growing creature.

Introduce your child to the world of motion and physics with a bit of marble play inspired by Sir Isaac Newton!

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.

It's easier than you think to make homemade play dough -- just a few pantry staples makes a natural version of the toy that kids have loved for generations.

Teach your preschooler some physics that she can relate to with this fun and simple activity!

Introduce your child to science with something they see everyday--their shadow!

This is a fun way to introduce kids to the concept of volume, and give them a quick hands-on activity to boot.

Here's a science activity that lets a first grader use an empty dish detergent bottle to create his own fountain as he explores air pressure.

In this Halloween-themed activity, young learners will find out what happens when they mix two household items together to create a surprising chemical reaction.

In this science fair project, young children discover what happens when two fluids that have different densities get together.

Teach your first grade scientist the difference between liquids and solids using maple syrup.

This classic children's game demonstrates how sound travels through air vs. through a solid.

Bring the magic and mystery of the night sky to the light of day with this fun constellation art project!

Put a twist on traditional oil painting with this fun science activity that you and your first grader can do together.

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!

What do you get when you combine science and fairies? Fairy scientists who make their own potion, of course! This activity promotes critical thinking skills as your child mixes, experiments, and creates their very own fairy potions.

Water can go from solid to liquid to gas...but how does popcorn go from kernel to snack? Invite your first grade scientist to find out.

This quick and simple preschool mirror activity will introduce your child to the science of reflection and light with a flashlight experiment and picture game.

This activity is a fun way to "go fishing" with your preschooler, while learning about the concepts of freezing and melting.

Play this flashlight game with your child to teach him about objects that are transparent, translucent, and opaque.

What's cooler than an explosion? Not much! This simple science experiment lets kids build their own pop rocket. So put on your safety goggles and let her rip.

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

Engineers in training can get started with this simple wheel-and-axle construction activity.

Introduce your child to the wonders of colorful chemistry with this simple food coloring project.