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!

Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

Chemistry is a blast with this backyard bomb made from a sandwich bag. All you need are ingredients from the pantry to create a satisfying, and safe, explosion.

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

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

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

How do organic materials become soil? This science experiment measures what materials biodegrade.

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

In this fun science experiment, kids will determine the best method for ripening avocados and discover the cool chemical reaction that makes this possible.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

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

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?

This activity challenges students to use computational thinking as they create a sequence of commands that will make a robot navigate around several obstacles.

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

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

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

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

Has your child ever played weatherman? Try this science activity that lets kids try their hands at observing and predicting the weather.

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 science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

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

This science fair project teaches students about wilting and browning of salad greens.

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

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.