Check out this fun science project idea to get a better understanding of unstable isotopes and the process of radioactive decay of isotopes through modeling.

In this project, vinegar and salt act as preservatives keeping bacteria from growing in the bouillon mixtures.

This experiment explores the trend of reactivity in the alkaline earth metals as you go down the second column of the periodic table of elements.

Can you stain teeth with tea, coffee, or coke? Explore how in this science fair project idea.

This science fair project idea explores the different properties & interactions of sugar molecules.

Learn about how sugar fermentation and growing yeast in this easy science project! Yeast is a eukaryotic microbe that puts the fun in fungus!

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.

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 project, the affects of vitamin E are observed on a rose petal.

This science fair project tested various nose cones to determine which would be the most ideal shape for propelling a water rocket.

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.

This experiment evaluates how a diet that is rich in "mood-enhancing" foods affects the way people feel over several weeks.

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

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

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

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

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

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.

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

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?