How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

In this experiment, students will discover how heat and pressure turn clay into slate, phyllite, and finally schist.

Find out whether optical mice are useful on all surfaces or if there are drawbacks to this supposedly superior solution to the traditional roller-ball mouse.

The objective of this science fair project idea is to determine whether frozen vegetables have more nutrients than canned vegetables.

This science fair project determines whether most people will notice that a game of chance is very slightly rigged.

A great science fair project on solar oven design that helps kids learn about solar power and solar heating.

The goal of this science fair project is to determine which cheese grows mold the fastest: Vermont Cheddar, American, Brie, or Camembert?

This project examines how temperature affects the volume of gas in balloons.

Checkerboard play challenges students to use spatial reasoning and computational thinking.

Study structure of the lens found in the human eye and determine whether it is concave or convex. Prepare a ray diagram, formulate hypothesis.

In this "paper and pen" science fair experiment, students will research the difference between standard time and astronomical mean time.

What's the best way to make DIY compost? Kids will learn about aerobic and anaerobic decomposition while learning to appreciate the value of composting.

Fudge is one of very few desserts people make at home that is actually crystalline. What happens when the fudge crystallizes at different temperatures?

In this experiment we will be determining whether birds prefer certain colors of seed.

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.

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.

The objective of this experiment is to find out if cooked beans grow faster, if at all, than uncooked beans.

This science fair project idea produces varying pitches of sound.

This science fair project idea discovers which brand of bubblegum produces the largest bubbles.

This science fair project idea investigates whether plants can survive being frozen.

This cool music science fair project idea has kids determine the effect of music on memory. Can music improve our cognitive abilities? Why or why not?

In this science fair project, kids will be able to see where germs reside on their hands while gaining insight into the benefits of thorough hand washing.

This science fair project idea examines whether people can decode scrambled messages.

Wind is an important source of renewable, green energy. The purpose of this science fair project is to build and operate a windmill generator.

This science fair project idea tests whether it is true that humans are in the morning than later during the day/night.

Examine the connection between temperature and chemiluminescence.

Construct batteries that make electricity from fruits with this fun science fair project.

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

Boost your preschooler's attention to detail by getting her to explore the differences between two different pumpkins: large and small.