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

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

Children combine an acid and an alkaline substance to simulate a volcano eruption in this fun experiment.

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

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

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.

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

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

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

How do we know that air exists when we can't see it, taste it, or touch it? Here's a classic experiment that will teach your kid some basics of aerodynamics!

Stir up some enthusiasm for experimentation with this candy-cracking science experiment!

Making your own glass cleaner is easy, effective and inexpensive!

This Mother's Day, mix in some fifth grade science learning to create this fabulous fudge!

Household items and a bit of imagination will create a CSI kit for your child to have investigative adventures with. Explore the world of forensic science!

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

Give your child an introduction to food preservation by making and canning your own yummy, homemade pasta sauce!

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

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

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.

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

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

Experiment with buoyancy to learn how a submarine rises and sinks in this classic science experiment.

Try this experiment to give your curious kid a more "solid" understanding of how temperature affects the states of matter.

This fun marbled paper craft uses things you're likely to have around your house, and it teaches kids some simple chemistry too!

Based on the concept of water's "freezing point," this activity entails the lowering of water's freezing point to chill ice cream!

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