Think you can blow up a balloon without using your mouth? This isn't just a cool trick, it's also a great way to introduce chemistry and biology concepts.

You don't need to wait for rain to see a rainbow. Make one yourself, and teach your child about light and weather in the process.

Before your treat your child (and yourself!) to a yummy snack, help her learn a little about Sir Isaac Newton's First Law of Motion!

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

Create a soda bottle garden that defies gravity! This hanging terrarium is housed in a soda bottle and perfect for crafty kids with a growing green thumb.

Bring a little science to your third grader's Christmas as you test out his sense of smell by exposing him to common Christmas scents found in your kitchen.

Set your young chemist up for an afternoon of science-fueled magic with a deceptively simple activity starring baking soda and vinegar!

In this activity your child will create their very own marble maze!

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

Use simple items to create a kindergarten "grow box" that lets a kid see just how salad plants send down their roots and grow underground.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

Your second grader will love this simple soda bottle race car activity. Make a ramp and customize your car for an entertaining way to learn scientific concepts.

Try this simple activity with your child to guesstimate the age of a tree in your yard and nurture her developing math skills while you're at it!

Is it solid or liquid? Create oobleck and witness the amazingly weird oscillation between the two!

Learn about nature by making your own mini moss garden.

Recreate the fantastic phenomena of solar eclipses with your child using just a flashlight, a quarter, and her very own face!

In this activity, young learners will make a balance using a plastic hanger and weigh a variety of small objects using candy corn.

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

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.

Perk up your front porch with this hanging vase craft, perfect for spring and for getting kids outdoors!

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

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

This science experiment has students test whether a snail moves faster on concrete or dirt.

Science fair project that demonstrates the effect of detergent pollution on fresh water birds' ability to stay afloat.

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.

Magic, science, or household cleanser? Let your second grader decide with this practical, nontoxic chemistry experiment with acids and bases.

Bring the fun of gardening indoors! By stuffing a simple pair of pantyhose with a few grass seeds on top, your child can grow her very own plant pet.

The possibilities are endless with this fun Halloween-themed STEM activity! With simple supplies, your child will experiment, adapt, and use their creativity while they build structures using different specifications.

In this activity, children will let their imagination run wild as they design and build a new planet in the solar system.

Celebrate April Fools' Day with a science prank that is sure to amuse...and educate too!