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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.

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

This science fair project idea examines whether people can decode scrambled messages.

The apparent movement of the sun has been used to keep time since the bronze age. In this science fair project, kids plot solar time against mean solar time.

The purpose of this science fair project is to investigate whether we can simulate how craters are formed and predict their size and shape.

The purpose of this project is to determine if there are fluctuations in the rising and the setting of the sun and the position of the earth as it rotates.

Think about the adaptive utility of an important aspect of our physiology.

Science fair project that compares leaf pigments of various tree species. Which tree species do you think will have the most pigments and why?

What are the effects of fertilizer on plant growth? What's the best fertilizer type (solid, liquid or powder)? Kids find out in this science fair project idea.

Check out this cool science fair project idea to explore the relation between onions and eyes and how to prevent eyes from tearing while cutting an onion.

This science fair project idea explores how much force is needed to move a lever at different distances from the fulcrum.

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.

Science fair project in which you will attempt to throw a ball the greatest horizontal distance possible by using different angles.

Science fair project in which you will graft branches from different fruit tree onto a root stalk.