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

Invite your fifth grader to test the different rates of liquid absorption in synthetic and cotton materials, such as nylon and cotton.

Does electricity move better through thick wires or thin ones? kids will conduct this classic electricity experiment for this science fair project.

Want to see a great example of Newton's first law? Kids will learn about basic physics with this fun, ballistic experiment.

Students pit the heat capacity of water against the heat capacity of oil while looking at the effects of dipole rotation in this cool science fair project idea.

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!

This project examines what types of objects burn and which burn faster and cleaner.

The weather is a key kindergarten science concept. With this activity your child will learn about wind direction and create a self portrait, too!

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.

Try hammering some plants with your kids to teach them a valuable lesson in flower science while making beautiful artwork in the process!

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

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.

The goal of this project is to create an exciting topographical map out of dough.

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

Science fair project which determines whether a person's taste in music is dictated by the key that the song is written in.

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.

Check out this science project idea to compare organic produce to non-organic produce and how preservatives in food extend the shelf life of goods.

Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.

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

Before you get ready for a delicious scramble or omelet, add a bit of science to your morning routine!

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

This science fair project idea investigates how magnetism can defy the force of gravity.

In this science fair project, students create their own miniature salt flats at home.

This experiment will evaluate if chewing gum affects students' test performance.

Observe corn seed germination to learn about dicots and monocots and how plants grow from seeds to seedlings to full-grown plants!

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

This simple "how to make a water wheel" activity makes physics come alive for your child by demonstrating how different kinds of energy work.

Here's a science experiment that gives your kids a chance to see how fire needs oxygen to burn, with a little math and writing practice thrown in.

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

The fish most kids see is usually filleted, and it's hard to see how it came from a lake or sea. This cool gyotaku activity blends life science with art!