First grade science often covers solids, liquids, and gases. This silly science explores serious facts about the difference between all three.

The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.

Create a three-dimensional X-ray of your child's hand in this simple modeling activity. All you need to get started are black paper and drinking straws

Wool can absorb 1/3 of its weight in water, while still keeping the body warm. She can test this theory by performing a scientific sock comparison!

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.

This second grade arts and crafts activity is all about caterpillars emerging from their cocoons as butterflies.

Put your second grade scientist to work this Fourth of July with our colorful "liquid fireworks" project!

Try this simple 2nd grade science experiment to teach your child about the principles of luminosity and light reflection.

Beetles come in many shapes and colors. Here's how your second grade child can create his own beetles to paint and play with!

The next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!

This first grade science activity brings the green grass of early spring inside while teaching your child about the cycles of growth.

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.

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

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.

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

This science fair project idea explores how length affects the weight a bridge can hold.

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

Introduce your second grader to the crazy world of static electricity with just a balloon and a sheet of paper.

Using scherenschnitte, your science-savvy second grader will be able to create and display each part of a vegetable!

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

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

In this project children practice the scientific method while playing with puffy paint.

This project examines whether people's taste perception is influenced by what they see.

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

Help your second grader observe the phases of the moon, and then let the fun loose: he'll get to chart his observations with marshmallows!

These science fair experiments demonstrate the chemistry of rust and the oxidation process.