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Check out this free high school science fair project to explore the physics of the Coriolis effect with a homemade Foucault Pendulum.

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

Can you dig it? This science experiment isn't for kids who like to keep their hands clean.

Help your kindergarten scientist discover relative size, density, and buoyancy with this fun, pumpkin science project!

By incorporating natural materials and the powers of observation, your child will become a backyard naturalist while building early writing and drawing skills!

The purpose of this science project is to determine which stimulus, gravity or water, will cause the greatest growth response in a plant.

This science fair project idea quantifies exactly how accurate the cricket thermometer is.

The goal of this science fair project is to demonstrate magnetic forces of attraction and repulsion using a magnet and everyday objects.

The purpose of this science fair project is to build a basic radio.

What's the relationship between temperature, air humidity and static electricity? Kids will find out with this free static electricity science fair project.

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

Science fair project that determines what percentage of air is made up of oxygen by examining the chemical reaction between oxygen and rust.

Your mission, if you choose to accept it, is to construct a parachute that will deliver an egg safely to the ground. Good luck!

Science fair project that determines which materials cause the most friction by sliding blocks of wood down a ramp.

In this science fair project on the relationship between distance and time, kids explore the behavior of gravitational acceleration through direct observation.

Check out this cool science project idea to explore how temperature creates annual rhythms that govern plant growth.

Have your child make a special mobile inspired by the weather outside. Learn about seasons, the environment, and art in 3D.

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.

More height, more steep, more speed! This science project investigates whether there is a correlation between the height of the roller coaster and the slope.

Observe trends in the properties of writing materials over past 5000 years and extrapolate to future time. Prepare a table that compares writing material.

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

Science fair project which evaluates different athletic shoes in order to find out whether any of them affect a person's ability to run.

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

How does water pressure change with depth? Kids learn how pressure works underwater with this cool and easy demo.

Understanding absorption means understanding why certain fibers and materials can absorb water! Kids will see absorption in action in this simple project.

The Galileo inclined plane physics experiment was one of the first ways scientists calculated acceleration due to gravity. Do it yourself in this project!

By dropping a magnet through a copper tube, kids observe the cool (and bizarre) braking effect produced by the eddy currents predicted by Lenz's law.

This balloon-powered car project is a great way for your kid to learn about energy and how it can be used efficiently.

This science fair project determines if the allelopathic chemical produced by the black walnut tree biodegrades immediately or persists over several days.