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

This science fair project idea explores whether talking to a plant will help it grow.

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

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.

An hour glass, also known as a sand clock, keeps time. In this activity, your child will make her own sand clock and measure the time it keeps.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

Have your child build his own mini waterfall, and help him develop his planning, problem solving, and architectural skills.

Excite your fourth grader by recreating ancient Viking myths. This miniature longboat will explore the principle of water molecules expanding when heated.

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

Here's a fun activity that will introduce your fourth grader to the concept of frictionless motion by constructing a hovercraft.

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

Show your child that the simplest ingredients (salt and water) can be used to illustrate the concept of density!

Believe it or not, images that are cast upon your eye's light-sensitive screen (called the retina) are upside down. Here's a fun, fast experiment to prove it!

Would your child like to learn about a hidden world? All she needs to do is open her box of markers!

An home science experiment for older students that teaches about the science behind heat.

On the next chilly, winter day, invite your fifth grader to make a hand warmer by experimenting with the loaded combination of a few natural ingredients.

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

How sensitive is your skin? Here's a fourth grade science experiment that lets your child figure it out.