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

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

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!

Use reusable, recyclable materials--along with a dose of imagination--to build a castle with first grade geometrical forms.

Blend art and science in this hands-on activity that shows your kindergartener how primary colors combine to make secondary colors.

In this science fair project, young children will become aware of and have the opportunity to experience the four basic tastes: sweet, sour, salty, and bitter.

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 how length affects the weight a bridge can hold.

Cinnamon is tasty, but does it have super powers as well? Find out if cinnamon can repel mosquitoes in this outdoorsy experiment.

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

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

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

Plants and light seem to be good buddies, but how far does the friendship really go?

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

Introduce your child to the wonders of colorful chemistry with this simple food coloring project.

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

Develop your child's green thumb with this easy planting activity. These plants are guaranteed to grow fast and are "brown-thumb" proofed!

Combine your child's natural curiosity with his developing classification and writing skills by helping him create a backyard field guide.

Help your child create a written message and practice their letters using sticks they find in nature. Here's how to get started.

Give your local birds a treat — and your young birdwatcher some fun — with this simple DIY bird feeder.

Here's a fun science experiment that's refreshingly tasty too! Turn regular water into a tasty treat perfect for consuming on a hot day.

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

This activity is a fun way for your first grader to learn about how veggies help your body while being creative with art and drama. Here's how to get started.

Alive or not? This yeast experiment you can conduct with your little scientist explores the answer to this timeless question.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

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.

Make some easy homemade yogurt with your young scientist, and see what a few 'live' bacteria can do in the right conditions!

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

Try this activity with your child to explore what happens to rain (and the living things that need it) when it becomes polluted.