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.

This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

Wiggly worms are known for staying buried in the soil, but how does that affect plants? Are earthworms and plant growth related?

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

Slime: It's oozy, it's goopy, and it's just plain fun! Learn how to make slime with this fun science fair project.

What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.

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

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

By incorporating natural materials and the powers of observation, your child will become a backyard naturalist while building early writing and drawing skills!

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

Do you think you could walk around upside down -- with your feet in the air and your head on the ground?

Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can "crash out" to form crystals when conditions change.

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!

This biodiversity project examines the biodiversity in your own backyard.

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

How does water pressure change with depth? Kids learn how pressure works underwater with this cool and easy demo.

This science fair project idea determines what household items are good conductors of electricity.

What's the science behind those out-of-sight roots? Find out if you can trick roots into growing in different directions.

In this experiment, kids will see if pruning tomato plants makes them more fruitful and learn about the factors that contribute to a plant's fruit production.

This science fair project idea determines what household items are good conductors of electricity.

Set off an a science adventure as you prepare a row of bee homes for your new visitors.

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

In this activity, your child will be asked to create a boat that can successfully float while holding 25 pennies.

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

People have favorite flavors, but what about ants? Which ant food is the most popular?

Have your child kick off their summer vacation by making a miniature water slide!

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.