This science fair project idea produces varying pitches of sound.

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.

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?

In this fun experiment, we'll find out how color affects heat absorption!

This science fair project idea investigates if heat from direct sunlight is hotter than heat from reflected sunlight.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

This easy and inexpensive paper towel science project introduces kids to important physical concepts like cohesion, adhesion, and capillarity.

In this science experiment, do tensile strength test on fishing line, a strand of hair, a rubber band, and any other materials you're curious about!

Do lefties just write different or are their brains different? This science project has students explore what it means to be left handed.

Make a backbone model to explore human anatomy and life science.

How does a compass work? What's a magnetic field? Kids will build their own compass at home to find the answers in this great science fair project idea.

Science fair project that compares the freezing temperature of salt water and freshwater in order to learn about supercooling and condensation nuclei.

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

Have you ever wondered how many numbers most people can memorize? Test your friends to find out!

What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.

In this windmill model science project, you will build a windmill to learn about wheel-and-axle machines and how these simple machines are used to do work.

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.

Science fair project which uses coins flips to visually demonstrate the probability of an event and how to express it.

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

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.

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

What makes your shadow dance around all day? Let's play detective and find out why that sneaky shadow never stays in one place for long.

In this awesome science fair project idea, kids will be attempting to pick up different objects using snail slime.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

With this cool floating rocks project, your child will get some hands-on experience with buoyancy and learn why certain rocks like pumice are able to float.

Test your friends to find out if you can replicate the placebo effect's incredible results.

Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.