How does a compass work? What's a magnetic field? Kids will build their own compass at home to find the answers in this great science fair project idea.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

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

Build a 3d animal cell model with this cool science fair project, which helps kids visualize and understand the function of a cell's parts and organelles.

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.

Hatch a praying mantis egg case in a homemade habitat with your child's help! This is an amazing experiment in science and nature for kids of any age.

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.

What better way to celebrate spring than with a fabulous flower party? Pack the day with fun flower activities and treats for a truly springalicious event!

Encourage a group of third graders to play this fun game of Whistle Hide-and-Seek as a warm-up to get them prepared for finding a "lost" camper.

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

In this project students experiment with making music using only glasses of water.

Put your young paleontologist's puzzle-solving skills to the test by having her hunt for dinosaur bones and then assemble them to create dinosaur skeletons.

Roasting pumpkin seeds makes for a great Halloween activity, and a healthy snack!

I scream, you scream, we all scream for homemade spearmint ice cream!

Engineers in training can get started with this simple wheel-and-axle construction activity.

Make your own helicopter using a paper clip and a sheet of paper. Hold the spinner up in the air, let it go, and watch it spin gracefully to the ground.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

Grow these wheatgrass and alfalfa friends and watch their hair spring up in just a couple days!

This science fair project idea investigates how color affects temperature.

Help your own young scientist tackle the wonders of static electricity from the comfort of his own home!

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

This project investigates the affect of storage temperature on microwave popcorn.

Take advantage of the spring and summer sun in this arts and crafts activity that has your learner creating pretty flower prints.

This science experiment has students test whether a snail moves faster on concrete or dirt.

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

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.

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

Learn about sound physics and do a survey experiment to explore the difference between sound and noise in this science project.

Introduce your child to the amazing, almost magical phenomenon of static electricity!

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.