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

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

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

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 activity, young learners will make a balance using a plastic hanger and weigh a variety of small objects using candy corn.

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

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

Learn to solve a crime scene investigation using an important forensics tool: oblique lighting.

Amaze your kids by separating a salt and pepper mixture using an "electric spoon" charged with wool.

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.

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.

This 4th of July, explore fourth grade science and make some safe fireworks in your own backyard using soda pop!

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

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

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

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.