Find out whether putting something on top of a plant will inhibit its growth.

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.

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

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!

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

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!

Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

This science fair project idea examines which type of insulation holds in the most heat.

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

Explore if planting seeds in a certain direction will affect how fast it germinates.

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

Determine whether butterflies like to drink sugar water, salt water, or plain water.

This science fair project idea determines if the temperature of rubber effects how high it bounces.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

Do hand soaps and sanitizers prevent the growth of bread mold? If so, why? Kids will find out with this fun and informative science fair project idea.