This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

It's rhyme time! With this science fair project idea, your child will find out which words can be considered easy rhyming words, and why.

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.

Is it magic? No...it's the amazing, gravity-defying capillary action experiment! Kids will love this dramatic and enlightening science fair project.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

This clay "painting" activity encourages and supports creative development and critical thinking skills.

This science fair idea is a great way for kids to explore static electricity. Kids will give a comb a static charge and watch as it separates pepper from salt.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

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

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

What do worms eat? Kids find out what kinds of rotting leaves and vegetables worms prefer in this cool compost science fair project.

In this activity your child will create their very own marble maze!

This easy aerodynamics activity is a simple way to introduce kids to the scientific method.

This second grade arts and crafts activity is all about caterpillars emerging from their cocoons as butterflies.

Help your child understand the scientific concept of evaporation with this fun outdoor science activity.

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

Teach your child about using pumps to move water in this simple and educational preschool science activity!

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

Challenge your learner to design and build a city of their own in this creative engineering activity.

Are your taste buds up for the challenge? Put tongues to the test with this science fair project that examines who enjoys sour flavors more, adults or kids?

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

In this activity, your child will be challenged to make a tower using paper cups.

This activity is a fun challenge for students who have just started learning to program educational robots.

In this activity, your child will learn about a style of gardening that uses moss, also called "kokedama."