This science fair project idea teaches kids the different functions of a leaf.

What do worms eat? Kids find out what kinds of rotting leaves and vegetables worms prefer in this cool compost science fair project.

Check out this fun science fair project idea to learn about seismic waves and how fast they travel during an earthquake.

This experiment will explore the possibility of a connection between lunar cycles and how humans are affected.

How does distance affect the spreading of light? Kids see diffraction and the inverse square law of light in action with this great science fair project idea.

Do different types of oil mix or stack? Find out in this science fair project idea!

This experiment investigate whether children in different age groups learn better from a computer program or a human teacher.

In this fun science project, learn about what happens to cut fruit and experiment with how to stop apples from turning brown.

Science fair project that examines the relationship between the size of a bubble and how quickly it falls. What is the correlation?

Do males really prefer listening to male than female singers? Find out when exploring this science fair project!

This experiment evaluates how much influence an enticing package has on childrensâ willingness to try a new snack.

This science fair project idea determines exactly how much of an effect road grade has upon a cyclistâs speed.

This science project challenges students to study the salt content in tap water and learn about electrochemistry.

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

Explore the negative and positive consequences of stereotypes.

This science fair project idea explores how water and ice can change the form of rocks.

This science fair project idea explores how much force is needed to move a lever at different distances from the fulcrum.

How does bleach kill bacteria? Kids find out in this impressive bacteria science fair project by testing different concentrations on a safe strain of E. coli.

Culverts transport seeds away from their original location to different places. This science project examines the effect of culverts on plant growth in streams.

In this science experiment, test the pH of soil surrounding a gas station to determine if gas stations have a negative effect on the environment.

Do heavier objects fall faster than lighter ones? Students learn the answer by watching the effect gravity in a vacuum has on a coin and a feather.

A math project teaches students to use a clinometer to gauge the height of very tall objects like trees & to think of better ways to measure how high they are.

What can you do with hair after its cut? This science project teaches you practical uses for human hair.

Science fair project which examines the relationship between frequency of spider web vibration and spider's response time.

Create safe lightning for kids! They'll learn how to make lightning at home with this fun science fair project idea illustrating static charges and grounding.

This science fair project idea explores how far the average human can see.

Learn how to tell time by the sun with this cool science fair project idea that tracks how the accuracy of a sundial changes over time.

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

Kids will learn how to clean fish tank the natural way. Add catfish to the tank and see if your water gets cleaner.

This science fair project idea shows kids how to grow mold and whether mold grows better in dry or moist conditions.