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In this science fair project, students determine whether a bean plant grows faster and taller using a traditional soil planting method or hydroponic method.

Should you use âFITâ Fruit and Veggie Wash or plain water to wash your produce? Find out in this science fair project idea.

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

This science fair project idea will be examining oxidation and acid rain

Teach kids about a fun way they can remember this more efficiently- the power of mnemonics. Kids will be amazed.

Kids explore how a single movable pulley can confer a mechanical advantage over a fixed pulley in this cool engineering science fair project for 2nd grade.

Science fair project that demonstrates the process known as refraction, which allows glasses and contact lenses to help people with poor vision.

Science fair project that explore how compound motion works by examining how gravity is affected by horizontal force.

Free science fair project idea that examines the impact of gravity on a dropped carton of eggs. Design a device to protect the eggs from cracking.

Analytical chemists perform chromatography to separate colors into pigments. Test the food coloring used in M&M's and Skittles candy in this fun project!

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

There is debate about whether chalkboards or whiteboards are better. This experiment explores which leads to better retention of visually-displayed information.

This project determines whether hands-on practice, mental practice, or no practice leads to better shooting of free-throws.

This experiment will explore if magnetism has any effect on the regeneration abilities of flatworms.

Soil and energy don't go together, right? That would be as bizarre as a pairing of peanut butter and marshmallows! Well, actually...

Have your kid determine if a goldfish can be conditioned to expect food the same way Pavlov's dogs did with this fascinating science fair project.

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

What chromosome combinations determine a fetus gender? Use probability to think about whether a sperm and ovum will create a male or female in this project.

This science fair project idea discovers the effect of (high) heat on animal cells.

This science fair project idea explores what it takes to create a biosphere, or a self-sustaining ecosystem.

This science fair project idea discovers if an artificial light source will yield the same plant health and growth rates as light from the sun.

In this Bernoulli's Principle experiment, you'll learn how an increase in the speed of a fluid, like air, decreases pressure.

Demonstrate how to tell the age of an egg without having to crack it open.

Does "short circuit" mean that electricity takes a short course? This science experiment provides steps to help you get to the bottom of this science mystery.

Do you think heat can affect a plant's growth rate?

Science far project which determines whether the material of a baseball bat affects the distance that the baseball will travel.

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

Find out whether soil amendments can improve soil conditions and help you grow a bigger beanstalk in this ecology experiment!

This science fair project idea explores whether talking to a plant will help it grow.

This science experiment tests whether warm or cold water works best in making cut flowers last longer.