Do heavier objects fall faster than lighter ones? Students learn the answer by watching the effect gravity in a vacuum has on a coin and a feather.

Science fair project that tests the correlation between outdoor temperature or weather conditions and the number of visible stars at night.

Kids learn how to manipulate additive and subtractive colors to send secret messages with red colored filters in this cool science fair project idea.

This project examines the amount of saltwater required to affect the growth of plants and subsequent effects on growth and development.

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

Looking for a project on machines? Get a fun elementary school science fair project idea to design a compound machine using your knowledge of simple machines.

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

Determine the growth rates of different types of human hair. Ask volunteers to not cut their hair until the end of experiment. Measure hair length.

This science fair project teaches students the differences between fruits and vegetables.

Explore how dielectric heating comes into play when microwaving various liquids in this science project. This test will help you understand how microwaves work!

This science project involves comparing the relative effectiveness of salt, pepper and dehydration in food preservation.

This project explores whether there is an effect on people, including heart rate and self-expressed mood, when they are exposed to different types of music.

Use pepper and soap to discover some fun facts about the properties of water.

The objective of this science fair project is to determine whether drawing with the right side or the left side of your brain will produce a better picture.

It's not actually that hard to get energy from garbage! Kids learn how to make biogas in the form of methane with this cool and easy science fair project idea.

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

This baseball science fair project explores the concept of an object's center of percussion to determine if the "sweet spot" has a scientific basis.

Science fair project which compares the rates of photosynthesis for various light sources. Which type of light will be best for photosynthesis and why?

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

Science fair project that determines which foods and drinks contain the highest amount of glucose.

Using a toy race car kids create a visual model of the Doppler Effect.

Check out this cool science fair project idea to explore which other common animals besides scorpions glow under a UV Black light.

This science project challenges students to study the salt content in tap water and learn about electrochemistry.

This project examines Newton's First and Second Laws of Motion with a bicycle and water balloons.

The purpose of this science fair project is to determine whether Green Bags, with or without refrigeration, are most effective in preserving food.

Compare the amount of ozone in various locations with this science fair project that will have your kid create her own ozone strips!

This experiment will explore whether fractals really repeat themselves infinitely.

In this experiment, students find out what happens when a less-dense fluid interacts with a denser one, replicating the effect of cooler solid rock on magma.

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

In this experiment, you will be making your own paper flashlight by conducting electricty with graphite.