Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.

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.

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

In this cool experiment, learn how to find specific gravity of minerals using liquids of different densities to see which substances and items sink and float.

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.

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.

In this windmill model science project, you will build a windmill to learn about wheel-and-axle machines and how these simple machines are used to do work.

Here is a cool and easy science project to determine the rate of chlorophyll breaks down and how it affects the color change of grass from green to yellow.

Discover which fabrics shrink the most in the wash and why.

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.

This science fair project examines how seeds hitchhike on animals and clothing.

How do the phases of the Moon and gravity cause spring tides and neap tides? Does the Sun play a role in the tides? Figure it out in this fun science project!

This science fair project teaches students about wilting and browning of salad greens.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

This science fair project idea examines the reason boats are shaped and engineered.

This science fair project idea examines whether boys and girls differ in reflexes.

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

Science fair project that determines whether mass and weight are the same or different.

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

This science fair project idea investigates the difference in reaction times between boys and girls.

This science fair project idea provides evidence that air is everywhere and takes up space.

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

This science fair project examines which fruits and/or vegetables will ripen prematurely when placed with ripe apples.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

Find out whether cast iron or regular teflon pans heat up faster and also retain their heat longer.

Science fair project which examines the relationship between frequency of spider web vibration and spider's response time.

This science fair project idea explores whether factors such as temperature and concentration affect the pH of a solution.

This science fair project idea demonstrates that light travels in straight lines and experiments with reflecting light.

This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.