What causes the seasons to change? Kids find out by modeling the earth's tilt using a globe, flashlight and graph paper in this cool science fair project idea.

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.

Does putting soapy water on plants help or hinder plant growth? Kids learn about greywater and how it affects plant growth in this cool science fair project.

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

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.

What is a barycenter? Kids learn how gravity and mass influence the orbit of binary systems like planets and moons or stars and planets in this cool experiment.

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.

This science fair project idea demonstrates the process of land erosion.

Travel back to the Jurassic age with this creative dinosaur activity that would make a great addition to any wall or fridge.

Science fair project that explores the natural process of limestone formation.

In this fun experiment, learn about brand awareness and the influence of media on children by testing logo recognition in different age groups.

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.

This science fair project idea teaches that time always passes at the same rate and nothing we do in our daily life âreallyâ affects how fast it moves.

Devise list of randomly chosen words, test how many words volunteers can remember. Compare results of adults and children. Which have better memories?

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.

Recycling may be a confusing concept for your little one, so take the time to teach them the magic of compost - right in your own backyard!

Help your child create a written message and practice their letters using sticks they find in nature. Here's how to get started.

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.

This activity is a fun way for your first grader to learn about how veggies help your body while being creative with art and drama. Here's how to get started.

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.

Make "fossils" with your child to hide in the sandbox or at the park or the beach, to help your child explore his archaeological side.

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

Explore convex and concave objects and how they reflect light.

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.

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

Help your first grader explore the world of scientific measurement by "weighing" fruit with a "water scale"!

This quick and simple preschool mirror activity will introduce your child to the science of reflection and light with a flashlight experiment and picture game.

This experiment evaluates how much influence an enticing package has on childrensâ willingness to try a new snack.