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In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

Build a 3d animal cell model with this cool science fair project, which helps kids visualize and understand the function of a cell's parts and organelles.

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

This activity challenges your student to use spatial reasoning and computational thinking to program multiple robots.

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?

Young physicists will wrestle with a discrepant event: the Hammer Ruler Trick. They'll make some inferences about torque, balance, and center of gravity.

The objective of this science fair project is to study the photosynthesis process and demonstrate the important role that leaves play in the process.

Create a homemade pair of sunglasses with colored lenses to see just how light and color affect our sight! Use this fun project to practice science!

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

Certain fruits can change gelatinâs ability to set. In this experiment, kids will discover what happens when gelatin meets pineapple enzyme.

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.

What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.

Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.

Plants and light seem to be good buddies, but how far does the friendship really go?

examine how passive solar heating works, measure temperature in a parked car on a sunny day. ways to use passive solar heating as an alternative, energy

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.

This project uses science and art to help students learn and teach others about Earth's endangered and extinct species.

Be a chemist for a day and study the simple reaction between sugar and heat. Try heating sugar and see what happens!

Take a closer look at your furry friend (or the furry friend of a neighbor -- with permission) to discover if communication exists between cats and humans.

Soil is made up of different layers. How far down do you need to dig to find the soil horizon, or the place where bits of leaves and branches become soil?

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

In this science fair project, students make their own rain gauge to measure rainfall.

Did you know a mouse eats almost fifty times as much as a cow? Find out how and test out the strange science with your friends!

What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.

This fun science fair project idea helps students learn how acid rains are formed and explore how acid rain damages the environment.

This biodiversity project examines the biodiversity in your own backyard.

This science fair project idea explores whether there is a connection to the color a person wears and the way their emotional state is perceived by others.

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