Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.

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!

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

Your child will do a fun science experiment using soap and pepper flakes to help understand the concepts of water molecules and the surface tension of water.

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

This science fair project idea produces varying pitches of sound.

Learn with makes water molecules work with this fun and easy science activity!

Water can go from solid to liquid to gas...but how does popcorn go from kernel to snack? Invite your first grade scientist to find out.

Turn the common pastime of constructing paper airplanes into a lesson on the physics of aerodynamics and flight with this fun science activity.

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

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.

It's food. It's Thanksgiving tradition. And guess what: Cranberry Sauce is also science! Try our simple recipe/experiment.

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

Here is a nifty science experiment using Epsom salts to make "frost" appear on a piece of glass.

Engineers in training can get started with this simple wheel-and-axle construction activity.

Has your kid noticed how much bigger the moon looks when it's low in the sky? Here's an activity you can do to show them that it's just an optical illusion.

This homemade parachute toy is incredibly easy to build. Plus, it gives kids an excuse to investigate and experiment...the backbone of kindergarten science.

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

Help your fifth grader execute this experiment involving a lit candle (submerged in water!) to show him the wonders of heat energy transference.

Blanket forts are a kid classic! Let your child create a âfortress of solitudeâ on his own for reading, telling scary stories or for cozy cocooning.

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

What causes sound? Here's a simple science experiment that adds a visual element to the science of sound to help kids better understand this tricky concept.

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

Show your child how to concoct a simple duo of household ingredients that changes color as acids and bases are added!

Every time a sound is produced it emits a sound wave. This experiment demonstrates how sound travels, using nothing more than a spoon and a string!

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.

Check out this mind-blowing experiment in which a hard-boiled egg will fit through an impossibly small opening with the help of only a few matches!

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

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

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.