Air invisible; it doesn't make sounds; you can't pick it up and throw it. So how do we know it exists? Help your second grade scientist figure it out.

Teach your creative second grader about proportions, animals, and proper cutting methods with cucumber carving.

Help your own young scientist tackle the wonders of static electricity from the comfort of his own home!

Help your first grader explore the world of scientific measurement by "weighing" fruit with a "water scale"!

Make edible amber fossils with your second grader to explore the fascinating world of science!

This interdisciplinary card game will have your third grader working on math facts as he travels through the solar system!

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

Learn how to grow an avocado plant indoors with your 1st grader in this hands-on gardening activity.

This science fair project idea explores if the length of the string that an object is suspended on has an effect on how fast or slow it swings.

Here's a pressed leaf card project that puts science and writing together for your second grader.

Here is a hands-on activity to help third graders understand the four points of a compass...and how we use them to get around.

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

Let your second grader pay homage to an ancient Olympic tradition with this modern day Olympic wreath!

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.

Here's an easy experiment that lets your first grader practice the scientific method, while watching a caterpillar eat.

This science exploration lets your first grader see how eggs can provide a perfect environment for a living, growing creature.

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

Make meringues with your first grader and see how states of matter can transform before your very eyes. Here's how:

Observe with your third grader what happens when food starts to decompose, and boost science skills simultaneously with this experiment!

This craft is a great way to explore the fascinating world of spiders and their webs as you collect spider webs from around your house with your third grader.

Combine science with reading and art to help your first grader create an attractive holiday gift for a beloved friend or relative.

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

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

Create a habitat for a butterfly right in your own backyard, and build your first grader's science knowledge while you're at it.

Study science with your first grader in this arts and crafts activity that models the reason why fall leaves change color with some paint and crayons.

Encourage a group of third graders to play this fun game of Whistle Hide-and-Seek as a warm-up to get them prepared for finding a "lost" camper.

First graders are learning to think like scientists. What better place to start, then by raising tadpoles? This hands-on activity explores science in action!

Invite your third grader to do taste test science to observe how a strawberry tastes when it is paired with various condiments. The results may be surprising!

Want to boost math and science learning? Take a bug expedition and give your first grader practice observing and charting what they see.

Your third grader will be amazed at the explosive combination of vinegar and baking soda in these chocolate volcano cupcakes with white chocolate "lava."