Slime: It's oozy, it's goopy, and it's just plain fun! Learn how to make slime with this fun science fair project.

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

In this science fair project, we'll explore how blocking the sun's light can stop those can stop photosensitive paper from changing color.

In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.

Kids often ask, "how tall am I?" This science fair project seeks to determine how well kids can guess their own heights.

Dinosaurs were huge creatures that left behind huge footprints that lasted for millions of years. In this science fair project, kids learn how dinosaur tracks were left behind!

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

Can a horse lead itself to the carrot? Train your horse with carrots and boxes and test horse memory in this fun zoology science fair project.

Check out this fun science fair project idea for 1st grade: a solar eclipse model that demonstrates total, partial, and annular solar eclipses.

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

Is it solid or liquid? Create oobleck and witness the amazingly weird oscillation between the two!

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

Camouflage is one of the most important animal adaptations in the African savanna biome. Kids create their own camouflage with this fun science fair project.

In this science fair project, young children will become aware of and have the opportunity to experience the four basic tastes: sweet, sour, salty, and bitter.

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.

Introduce your child to preliminary science concepts by challenging them to do this fun and simple cloud observation activity.

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.

Try this fun and simple activity to help nurture your child's observation skills and nourish a growing love of science!

Here's a science activity to help your child investigate how seeds are designed to travel.

Here's a science and nature activity to help your kindergartener get outdoors and learn about the structure of leaves.

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

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

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.

Use popcorn in this tasty experiment to explore the five senses at home with your kindergartener!

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.

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.

Put a twist on traditional oil painting with this fun science activity that you and your first grader can do together.

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.

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