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Invite your fifth grader to test the different rates of liquid absorption in synthetic and cotton materials, such as nylon and cotton.

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

In this fun science fair project idea learn the difference between additive and subtractive color and why they are handled differently.

Your 1st grade scientist will improve her observation skills as she's encouraged to eat healthy by comparing the dry and fresh fruit in this experiment.

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

The goal of this science fair project is to assess the acidity levels of common food and household products using pH test strips.

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

Take to the air with science by experimenting with helicopter seeds right in your own backyard!

Explore scientific concepts with this experiment that introduces kids to the scientific method!

Introduce your child to science with something they see everyday--their shadow!

Here's a fun activity to help build thinking skills in young first grade scientists, and to encourage them to have a blast exploring the mass and volume.

Help your child understand the scientific concept of evaporation with this fun outdoor science activity.

What is the Doppler Effect, or the Doppler Shift? The purpose of this science fair project is to determine how distance impacts the Doppler Effect.

Popsicles aren't just for the summertime, this activity takes cold and turns it into a creative and tasty science experiment.

This easy aerodynamics activity is a simple way to introduce kids to the scientific method.

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

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

Teach your preschooler some physics that she can relate to with this fun and simple activity!

Here's a fun at-home activity that will help your child strengthen math skills using high and low temperature data, and become a master temperature tracker!

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

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

This science fair project idea shows how a vibrating object transfers energy to whatever it touches.

This science fair project idea produces varying pitches of sound.

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

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.

Learn how matter transmits sound with a simple, hands-on experiment using sand, water and air.

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!

Let your young scientist explore a brave new world of sound with an experiment that just requires a handful of common household items.

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

Get your fifth grader involved in some earth science by helping her plan and create her very own rock collection.