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

Find out whether a longer airplane will fly farther or a wider paper airplane.

This kinesthetic learning activity will help your fourth grader get a firm grasp on the immensity of the solar system.

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

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!

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.

Demonstrate how static electricity can cause an object to move. It also examines just how an object affected by static electricity will move.

This project compares the strength of one, two, and three-ply toilet paper.

Introduce your fourth grader to the concepts of solstices by observing the length of her shadow on the shortest day of the year, compared to other solstices.

If your fourth grader is obsessed with all things glow-in-the-dark, then here's an activity that will really light up her imagination!

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

Your fourth grader will be astonished to discover the significance and intricacies of his spine as he builds a model of a human vertebral column.

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.

How does water pressure change with depth? Kids learn how pressure works underwater with this cool and easy demo.

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.

On the next chilly, winter day, invite your fifth grader to make a hand warmer by experimenting with the loaded combination of a few natural ingredients.

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.

Here's a great activity that uses corks and toothpicks to create a fleet of floating boats. Which design makes for the most seaworthy vessel?

This science fair project idea investigates if webbed feet help a duck (and others) swim.

This science fair project idea investigates if heat from direct sunlight is hotter than heat from reflected sunlight.

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!

Excite your fourth grader by recreating ancient Viking myths. This miniature longboat will explore the principle of water molecules expanding when heated.

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.