What's the science behind those out-of-sight roots? Find out if you can trick roots into growing in different directions.

In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.

This science fair project teaches students the differences between fruits and vegetables.

Do hand soaps and sanitizers prevent the growth of bread mold? If so, why? Kids will find out with this fun and informative science fair project idea.

After completing this fun science project, your child will have a better understanding of plants, and they may even develop a green thumb in the process!

Word color association is just a fancy way to talk about the way we connect colors with words.

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

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

Can you fool your eyes and your brain with an optical illusion? The purpose of this science fair project is to demonstrate various kinds of optical illusions.

Learners hypothesize about and experiment with soil erosion in this hands-on activity.

This simple project makes young children aware of their sense of smell and its capacity for providing them with information about their world.

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

Using a glass fishbowl, you and your kids can create a low-humidity, open-topped terrarium perfect for easy care, drought-tolerant succulents.

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

In this project, build an insect model that shows how the head, thorax, and abdomen fit together! Learn insect anatomy by constructing a paper mache critter.

Can't make it to the beach? Bring the science of ocean waves home with this fun earth science-related craft.

Take a closer look at the soil that surrounds us, and give your child a lesson in Geology 101!

This plaster fossil activity is a fun supplement to preschool science. Use plaster to make imprints of your child's handprints, footprints and other objects!

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

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

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!

Your child will create her own falling snowflakes using white paper and glue them over a tree, so it appears as if they are falling from the sky.

Check out this silly game that will put your kid's animal habitat knowledge (and acting skills) to the test.

Science fair project that demonstrates the effect of detergent pollution on fresh water birds' ability to stay afloat.

What's the best way to make DIY compost? Kids will learn about aerobic and anaerobic decomposition while learning to appreciate the value of composting.

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

This science fair project idea determines which method of hand cleansing is the most effective.

Handedness and footedness refer to whether people prefer to use their left or right hand and foot. In this experiment, test hand and foot dominance.

In this activity, your student will be invited to build a chair out of building blocks that is designed to meet the specific size and shape of a small doll or toy figure.