In this science fair project, kids will be able to see where germs reside on their hands while gaining insight into the benefits of thorough hand washing.

Want to make Halloween truly eerie? Science to the rescue! These ghouly hands come alive with a little help from simple chemistry.

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.

Science fair project that determines whether disinfectant sprays or disinfectant soaps are more effective at removing bacteria from hands.

Learn how matter transmits sound with a simple, hands-on experiment using sand, water and air.

Can you dig it? This science experiment isn't for kids who like to keep their hands clean.

This project determines whether hands-on practice, mental practice, or no practice leads to better shooting of free-throws.

With this hands-on activity, you'll show how fall colors are hidden in the leaf all year long!

Show your child how to construct a homemade thermometer. It's hands-on fun and a great way to learn about this important instrument!

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

This is a fun way to introduce kids to the concept of volume, and give them a quick hands-on activity to boot.

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

Blend art and science in this hands-on activity that shows your kindergartener how primary colors combine to make secondary colors.

Learn how to grow an avocado plant indoors with your 1st grader in this hands-on gardening activity.

This crafty activity provides a hands-on way for your child to illustrate how the trees look during each season of the year.

How do mirrors work? What is light, and how does it travel? Explore light and reflection with your preschooler with these simple hands-on experiments.

First graders are learning to think like scientists. What better place to start, then by raising tadpoles? This hands-on activity explores science in action!

Challenge your young dinosaur lover to examine dinosaur footprints and then create their own dinosaur fossil in this hands-on activity.

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

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

This easy project for little hands uses mushroom spores to make an imprint of the mushroom, and the result is very beautiful.

In this hands-on activity, kids learn what it takes to foster seedlings into full-grown plants, all in a regular old soda bottle!

Got a birdwatcher on your hands? Bring the birds to your backyard by making a zany bird feeder using an orange and some string.

Has your child ever asked you how a submarine works? Here's a simple bathtub project that will make for a hands-on answer.

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.

This year on Mother's Day, try this gift project that brings together an appreciation for gardening with a hands-on lesson in art history.

Kids grow sunflower greens from seeds for a hands-on gardening experience in this kindergarten life science activity.

The next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!

What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.

Take this "paper plate snack test" with your child for a hands-on lesson in making healthier choices to teach your child about what's in his food.