Is it solid or liquid? Create oobleck and witness the amazingly weird oscillation between the two!

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

Teach your little scientist about the amazing powers of gravity by comparing the falling speeds of two yummy fruits

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

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.

Introduce your child to the amazing, almost magical phenomenon of static electricity!

Explore solids and liquids with your young scientist by making gluep, a goopy substance that can behave like both a solid and a liquid!

Here's a classic celery science experiment that uses celery and food coloring to demonstrate how plants absorb water.

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.

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

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.

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

Wool can absorb 1/3 of its weight in water, while still keeping the body warm. She can test this theory by performing a scientific sock comparison!

Delight your budding scientist with this cool physics magic trick and teach her some basic physics concepts while you're at it!

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

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

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.

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

Ready for takeoff! Make science fun and teach about levers and fulcrums as your child sends buttons flying.

This kindergarten science activity will help her explore the changing states of matter which transform an egg from raw to soft to hard-boiled.

Your child might have noticed how bubbles quickly lose their colors and pop. Check out this creative way to make those bubbles last longer.

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

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

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

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

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.

The next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!

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.

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