Slip some science into storm watching with a homemade rain gauge!

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

Kids will explore the corrosiveness of soda in this cool science fair project by leaving pennies submerged in soda overnight.

Help your preschooler practice observing and experimenting with this exciting activity where they'll get to examine objects below the water's surface!

This science fair project teaches students about wilting and browning of salad greens.

Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.

Discover the wonders of simple clay by pressing flowers into a modeling medium!

In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

First graders are learning basic addition and subtraction math facts. Practice in the sandbox with this fun outdoor math activity!

Want to make Halloween truly eerie? Science to the rescue! These ghouly hands come alive with a little help from simple chemistry.

Do this experiment to help your first grader understand how salt can be removed from salt water. All it takes are a few household materials.

Help your child celebrate the summer and the sun by making a sandy seascape.

In this fun activity, frozen cubes of paint provide your preschooler with a cool new way to paint a masterpiece.

Help your child explore chromatography, which is the process of separating colors or pigments, and create a neat art project in the process!

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

Here's a science experiment that gives your kids a chance to see how fire needs oxygen to burn, with a little math and writing practice thrown in.

Give your science savvy kindergarten a lesson in plant science with this fun carnation experiment.

Set up a fun guessing game for your curious kindergartener, one that will test her ability to use all five of her senses.

Travel back to the Jurassic age with this creative dinosaur activity that would make a great addition to any wall or fridge.

How do mirrors work? What is light, and how does it travel? Explore light and reflection with your preschooler with these simple hands-on experiments.

Challenge your young dinosaur lover to examine dinosaur footprints and then create their own dinosaur fossil in this hands-on activity.

In this activity, your child will be challenged to make a tower using paper cups.

Teach your child the meaning of recycle and reuse by repurposing plastic spoons as plant markers for your vegetable garden.

This is a fun and inexpensive project and it's a great way for your child to build basic geometry skills, like shape recognition and pattern/angle familiarity.

This simple activity is not only fun, it's also a useful way to organize children's closets — and offer kids some autonomy to boot.

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.

Help your first grader design and create his very own bird feeder out of an empty milk carton.

Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?