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Determine if certain colors of light are more effective for photosynthesis. Plant seeds in cardboard boxes with different light, record visible growth.

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

How does mold grow? Kids find out by testing different conditions to measure mold growth rate and learn about what factors cause mold to grow more quickly.

Science fair project in which you will learn more about the natural world by preserving and identifying different animal tracks.

This conservation of energy demonstration shows why the first hill is the highest on a roller coaster. Learn more about potential and kinetic energy!

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

Have your child build a model of a coral polyp, one of the tiny animals that composes a coral reef.

Fudge is one of very few desserts people make at home that is actually crystalline. What happens when the fudge crystallizes at different temperatures?

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

In this science fair project, students use hot and cold water to simulate what happens when a warm front meets a cold one.

Want to help make studying the nervous system a little more fun? This thinking cap is a great way to learn external human brain anatomy.

In this experiment two environments will be compared: a room with interior design that uses correct Feng Shui versus one with incorrect Feng Shui.

Give your child a chance to experiment with how things grow. And throw in something extra to up the fun factor even more...her very own grass pet!

Learn about calorimetry, make a bomb calorimeter, and experiment with combusting different nuts to see which one produces the most energy!

In this science fair experiment, kids will use the acid test to discover how to tell one mineral from another.

This science fair project idea compares whether ionic dryers leave hair in better condition than non-ionic dryers.

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.

In this free science fair project idea, kids will conduct an easy electrolysis of water experiment to test solutions of salt, baking soda, tap water, and more.

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

In this activity, students will be challenged to describe and count the ways a toy moves from one position on a grid to another.

Find out whether a longer airplane will fly farther or a wider paper airplane.

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

Here's one way to recycle: turn a tuna can into a mini barbecue and teach your child the power of resourcefulness!

Follow in the footsteps of movie character legends as you walk your little one through the steps of becoming a junior archaeologist.

Celebrate autumn with a seasonal bash. Welcome the fall with a festive party for your little one and her friends, full of crafts, snacks and fun games.

In the mood for a bit of silly science? Help your child create a truly one-of-a-kind planter out of a potato head!

Unlike other seed sprouting projects, this one allows kids to compare five different sprouts (either 5 herbs or 5 flowers) by watching them grow in a glove.

Show your teen how to make her own beeswax lip balm. It's one of the simplest do-it-yourself activities, and it's fun to make!

Set up a fun guessing game for your curious kindergartener, one that will test her ability to use all five of her senses.

What makes your shadow dance around all day? Let's play detective and find out why that sneaky shadow never stays in one place for long.