Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.

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

Help your kid feel like a superhero with this safe and fun science experiment that creates an electrical charge that's like a mini lightning bolt!

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

This science fair project idea determines if the color of light affects the growth of plants.

Enjoy those warm spring and summer nights with your child while teaching some basic astronomy at the same time.

Learners hypothesize about and experiment with soil erosion in this hands-on activity.

Help your child experiment with the combination of acid and baking soda by making these homemade bath bombs!

In this activity, your child will make her own "quicksand" to better understand how a substance can be both fluid and solid at the same time.

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

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

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

In this science experiment, do tensile strength test on fishing line, a strand of hair, a rubber band, and any other materials you're curious about!

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

This science fair idea examines hydrogel superabsorbent polymer crystals. They can absorb 500 times their weight in water. Can they absorb other liquids too?

Help your child understand surface tension by showing them how they can create a "skin" on top of water.

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

Science fair project which teaches you about the principles of physics within a vacuum by creating a vacuum chamber.

Find out whether packaged seeds actually do expire in this new science fair project idea.

The concept of metamorphosis is fascinating to children of all ages. Help your child's creativity take flight as she makes her very own butterfly life cycle.

Do you think you can blow down a sand castle with a mighty wind? Find out which material stands up best to erosion in this erosion experiment.

Has your child ever asked you how a submarine works? Here's a simple bathtub project that will make for a hands-on answer.

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 determines which method of hand cleansing is the most effective.

This science project has students study a group of volunteer liars actively lying to study the behavior of a lie. Students see if they can figure out the truth.

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

For a fun family activity to introduce your child to genetics, have your child go on a search for dominant and recessive family genes!

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

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.