Study science with your first grader in this arts and crafts activity that models the reason why fall leaves change color with some paint and crayons.

Here's a guide to starting a community clean-up project from scratch.

Science fair project in which you will start a fire from scratch without using matches or a lighter.

Try this arts and crafts activity with your preschooler: make bread from yeast dough to teach her about the science behind bread baking.

This science fair project idea investigates the hardness property of minerals.

Science fair project that examines various techniques for removing wrinkles from polyester garments to understand why polyester garments become wrinkled.

This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.

This middle school science fair project determines whether DNA is most easily extracted from under-ripe, ripe, or over-ripe strawberries.

Create a self-portrait from natural materials in this collage craft activity!

In this science fair project caffeine will be extracted from Gunpowder Green Tea, illustrating the isolation of a naturally occurring product from a plant.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

Does your child always demand to know why the sky is blue, how the sun moves across the sky, or where wind comes from?

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.

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

This project examines whether playing music during class helps students learn or if it distracts students from learning.

Find out the differences (if any) in the frequencies of voices produced from a computer, from a phone, and directly coming out of the voice box of a human.

This project examines which style of central-air system filter traps the most particles from the air.

The objective of this science fair project is to understand how to stop the oxidation process from occurring in guacamole.

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

It's not actually that hard to get energy from garbage! Kids learn how to make biogas in the form of methane with this cool and easy science fair project idea.

Ever wonder why refrigerator lights turn off when you close the door? Does the darkness prevent food from spoiling? This experiment, determines just that.

Kids learn about potential energy, and mechanical energy, and how to make power from water with one of our favorite renewable energy projects for kids.

Will people still feel hungry once they eliminate grains from their meal? Find out in this science fair project idea!

Science fair project which teaches you how to make your own homemade glue by combing curdled milk with baking soda.

Show your middle schooler how a quick whirl of spinach in the blender will reveal the cobwebby "stuff"--or DNA--of life!

Here's an arts and crafts activity for preschoolers and pre-kindergarteners: build brick buildings with homemade mud bricks made from dirt and water.

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?

In this activity, your kid will watch coal turn into crystals right before her very eyes, and learn some science along the way!

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

This science fair project idea enhances awareness of local food production and food sourcing.