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

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

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?

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

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.

Find out whether matte or shiny nail polish lasts longer.

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

In this activity, students will be challenged to describe and count the ways a toy moves from one position on a grid to another.

This science fair project idea studies which kind of rock (sedimentary, igneous, or metamorphic) is most damaged by frozen water.

Science fair project that compares the ecology of different soil samples by identifying which sample has the most invertebrates living in it.

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

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.

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

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

This project examines if computer screen and text color affect retention and if people subconsciously prefer combinations of colors that help their retention.

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

In this science fair project, students focus sunlight with a magnifying glass and trap shorter waves to melt ice.

Throughout history, people have used song as a teaching and memory tool. This project explores whether song improves a person's ability to retain information.

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.

Plants and light seem to be good buddies, but how far does the friendship really go?

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.