It's easier than you think to make homemade play dough -- just a few pantry staples makes a natural version of the toy that kids have loved for generations.

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

In this science project, learn about water transport in plants and make a beautiful dyed floral arrangement with cohesion, adhesion, and xylem tubes!

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

Create a mini plant habitat with your kid to help teach him what it takes to make an ecosystem work.

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.

Can you imagine a sky filled with bright, colorful bubbles? Make this whimsical scene come alive with bubble science!

Spiders don't go to grocery stores or fast food chains to get their food -- they set up traps and wait for their food to come to them!

Try the classic balloon-on-the-wall trick with your kid and watch static electricity in action.

Learn how to tell time by the sun with this cool science fair project idea that tracks how the accuracy of a sundial changes over time.

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

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 cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

Learn about this simple machine and make a pulley of your own to use for fun science trials.

This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

Help your kindergarten science maven explore the water cycle without getting everything wet.

Enter the buzz worthy world of bee watching and find out what time bees like to wake up!

Did you even wonder why some rocks are round and smooth while others are broken up into small pieces?

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

Help your child celebrate the summer and the sun by making a sandy seascape.

You don't need to wait for rain to see a rainbow. Make one yourself, and teach your child about light and weather in the process.

Science fair project that examines condensation and the conditions needed in order for dew to form.

Who knew that you could make beads out of rose petals? Not only can it be done, but the beads smell wonderful!

Be a chemist for a day and study the simple reaction between sugar and heat. Try heating sugar and see what happens!

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

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!

Use simple items to create a kindergarten "grow box" that lets a kid see just how salad plants send down their roots and grow underground.

This interdisciplinary card game will have your third grader working on math facts as he travels through the solar system!

Who needs paint, glitter, or crayons when you have natural art supplies right outside your front door?

Make a backbone model to explore human anatomy and life science.