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Learn about this simple machine and make a pulley of your own to use for fun science trials.

Help kids tap into their inner inventor by teaching them how to make peanut butter through trial, error, and lots of taste testing!

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?

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

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

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

For your budding first grade scientist, all you need is some simple, natural materials to create an amazing ant farm. Here's how to get started.

In this experiment, students will create their own version of coquina, a sedimentary rock thatâs formed by seashells and sand, cemented by seawater minerals.

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

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

Can you imagine a sky filled with bright, colorful bubbles? Make this whimsical scene come alive with bubble science!

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.

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

This activity challenges students to use computational thinking as they create a sequence of commands that will make a robot navigate around several obstacles.

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

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 idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

What makes your shadow dance around all day? Let's play detective and find out why that sneaky shadow never stays in one place for long.

This recipe makes bubbles that not only blow up nice and big, but do tricks and experiments! How do you do it? It's not a secret, it's science!

In this fun science experiment, kids will determine the best method for ripening avocados and discover the cool chemical reaction that makes this possible.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

Reinforce your child’s understanding of the alphabet by helping them construct all of the letters using pipe cleaners.

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

Do you think you can blow down a sand castle with a mighty wind? Find out which material stands up best to erosion in this erosion experiment.

Word color association is just a fancy way to talk about the way we connect colors with words.

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

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.