Discover if temperature settings in a fridge make a drastic difference in terms of bacterial growth.

In science fair projects, middle school students discover why nitrogen fixing bacteria are important to plant growth.

What happens when "coffee-addicts" miss coffee for 1 day? Find out in this science fair project idea!

Science fair project that determines which materials cause the most friction by sliding blocks of wood down a ramp.

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

This science fair project idea explores how length affects the weight a bridge can hold.

Learn about our cognitive capacity of attention and to learn about factors that influence attention.

In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.

Find out whether people within a family tend to have matching fingerprints.

Determine which video game elevates the heart rate best and burns the most calories.

Store bowls of fresh fruit in differently lighted environments. Contrast freshness based on appearance.

Cinnamon is tasty, but does it have super powers as well? Find out if cinnamon can repel mosquitoes in this outdoorsy experiment.

Science fair project idea examines different techniques for memorization. Analyze results of memory tests to determine which method is most effective.

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

The objective of this science project is to investigate patterns in fingerprints among family members.

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

Is it a square or a circle? See if you can trick your friends with this zany science project!

This science fair project idea explores whether it is easier to balance on a narrow ledge or on a rope.

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.

Observe corn seed germination to learn about dicots and monocots and how plants grow from seeds to seedlings to full-grown plants!

More height, more steep, more speed! This science project investigates whether there is a correlation between the height of the roller coaster and the slope.

In this project students experiment with making music using only glasses of water.

This experiment will evaluate bacterial content on toothbrushes before and after different cleaning methods to determine which method of disinfecting is best.

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

What's the chemistry behind dyeing Easter eggs? Will adding vinegar to dye help the eggshell absorb the color? This colorful science project has the answers!