Is it a square or a circle? See if you can trick your friends with this zany science project!

Here's a simple craft activity that can help your youngster better visualize the life cycle of a frog as a circle.

Who says snow globes are just for winter? Help your child create a summer version with this fun art project!

Put an oatmeal box, a flashlight, and some construction paper together and you have the makings of an incredibly cool bedroom planetarium!

Help young learners discover why catÃs eyes glow in the dark with this simple experiment

Help your curious third grader construct a dazzling spinning wheel that will teach him about the science behind colors while providing some silly entertainment!

What causes dilated pupils? Young scientists will find out by applying what they already know about changes in pupil size and making models of the pupil.

In this free science fair project, build a star clock and learn how to tell time on a clear night by observing the big dipper!

Your child can create his own texture tree, experimenting with design during the process. The result will be a beautiful addition to your holiday decorations

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

Ignite your kindergartener's love of adventure and learning with an imaginary trip under the sea.

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!

Take to the air with science by experimenting with helicopter seeds right in your own backyard!

We all know that the Moon has different phases, but it can be hard to figure out why. Try this activity to see how the Moon's phases really work.

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

Get your child math and science savvy with this fun outdoor classification game. Using chalk, your child will classify what she sees in the natural world.

Crystals are a very special structure. In this third grade activity, your child will learn how to grow salt crystals.

This is a quick, easy science fair project that conveys the idea of density to preschool and early elementary children.

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

In this science fair project, young children observe, record, and create collections of shapes in their world and increase their powers of observation.

What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.

How does a compass work? What's a magnetic field? Kids will build their own compass at home to find the answers in this great science fair project idea.

The goal of this fun science fair project idea is to microwave candy and investigate: do some colors of M&Ms melt faster than others?

In this simple circular motion experiment, you'll observe tangential velocity and learn about how acceleration and centripetal force affect an object.

Want to spark your third grader's interest in gardening? Help him make popsicle stick fairies to decorate an enchanting garden oasis.

Make a wish upon a tree with this craft that also helps your child learn more about Chinese culture.

Help your child measure breezy weather in her environment by making a wind vane for kids, a simple version of the classic scientific measurement tool.

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.

Delight your budding scientist with this cool physics magic trick and teach her some basic physics concepts while you're at it!

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