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Find out whether pacing in long-distance running actually acquires for drastic changes in finishing times versus running super-fast at the start.

Science fair project in which you will start a fire from scratch without using matches or a lighter.

Start your toy engines -- this is going to be a fast and friction-filled race!

In this science fair project, kids start a chemical reaction that will make a balloon inflate itself!

Are you ready to be a detective for science? Then get out your magnifying glass and start studying fingerprints!

Dive into the world of cooking oil and smoke points to discover just how fast some oils start smoking.

In this science fair experiment about recycling, demonstrate how the wax from a candle can be reused to make another candle.

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.

This experiment will explore if and where fractals can be found in the natural world.

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

This science fair project idea investigates whether rocks containing geodes can be determined from the outside.

This project examines how temperature affects the volume of gas in balloons.

What cause the phases of the moon? Make a model to see how the positions of the Sun, Moon, and Earth cause the crescent, gibbous, quarter, full, and new moon.

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.

The goal of this science fair project is to attempt to build a perpetual motion machine and analyze the Laws of Thermodynamics.

Construct and experiment with a periscope using reflected light rays to gather an image.

How does distance affect the spreading of light? Kids see diffraction and the inverse square law of light in action with this great science fair project idea.

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

Check out this fun science fair project idea for middle school students to learn about the effects of temperature on the density of a gas such as air.

Study structure of the lens found in the human eye and determine whether it is concave or convex. Prepare a ray diagram, formulate hypothesis.

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.

Fibonacci sequences have been observed throughout nature, like in leaves and flowers. In this project, students find examples of the Fibonacci sequence.

A cool physics science fair project idea for 7th grade exploring the application of distance, velocity, and time equations.

Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.

Spiders don't go to grocery stores or fast food chains to get their food -- they set up traps and wait for their food to come to them!

This fun science fair project for 8th grade demonstrates what Kepler's 3rd law predicts about a planet's orbital period and its distance from the sun.

The actual factors affecting friction may surprise you! Learn about the coefficient of friction and put some trigonometry into practice in this science project.

Check out this fun science project idea to get a better understanding of unstable isotopes and the process of radioactive decay of isotopes through modeling.

Study how liquids separate into layers by creating a liquid gradient, different density liquids separate into layers in a graduated cylinder.