Check out this fun science fair project idea to determine if the size of a particle affect the rate or speed of a chemical reaction.

Get this cool science fair idea to explore how arctic tundra animals change their behavior and adapt to survive in long, cold winters.

Examine how the tire treads of a bicycle affect its rolling frictional force. Change tires, test speed performance on different terrains.

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.

Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.

Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can "crash out" to form crystals when conditions change.

Milk is made of water and fat; but how can you separate the two? Find out in this color changing milk experiment.

This science fair project idea produces varying pitches of sound.

In this science fair project, we'll explore how blocking the sun's light can stop those can stop photosensitive paper from changing color.

Study the physical and chemical changes that make hair curl or straighten. Study ingredients, function of chemicals like thioglycolic acid.

This experiment investigates if small changes in your diet can alter your basal body temperature.

In this project, you will observe and record changes in sunspots over two weeks.

This science fair project investigates why the number of visible stars changes from place to place.

This high school science fair project investigates if small changes in your diet alter the pH of your saliva.

This science fair project idea investigates how images are influenced by changes in light.

What causes dilated pupils? Young scientists will find out by applying what they already know about changes in pupil size and making models of the pupil.

Learn how to tell time by the sun with this cool science fair project idea that tracks how the accuracy of a sundial changes over time.

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

This experiment will use computers to examine how the famous Mandelbrot set can be manipulated in fractals.

Check out this cool science fair project idea to explore the relationship between pulse rate and blood pressure in healthy people.

In this experiment, recycled objects are separated to demonstrate how mixtures are made and the variance in the physical properties of their ingredients.

Measure the speed of the earth's rotation using protractors and meter sticks. This science fair project measures the angle of the sun in relation to earth.

Will people perceive your intelligence differently depending on your hair color? Find out in this science fair project idea!

Plants help keep a house cool! This article includes step-by-step instructions for completing this fun and interesting science experiment.

This science fair project idea explores whether mint, known for its âcooling sensationâ really does lower temperatures.

Discover whether a metal will expand under hot water.

Science fair project idea examines validity of mood ring predictions. Analyze accuracy of results, consider the impact of temperature

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

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.

Investigate how to keep your fruit fresh for longer. The purpose of this science experiment it to determine which kind of bag best preserves fruit.