This science fair project idea produces varying pitches of sound.

In this investigation, an oil spill is simulated in a jar to observe the damage that oil spills have on the ocean and ocean life.

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?

This biodiversity project examines the biodiversity in your own backyard.

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

How well can people recall what they have observed. Test your knowledge in this fun experiment.

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.

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

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

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.

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

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

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

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

Have you ever noticed the way a dropped stone makes a fun pattern in a pond or lake? What's the science behind these splashy occurrences?

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.

This science fair project idea examines whether boys and girls differ in reflexes.

In this project, the affect of acid rain is simulated by the acid, vinegar.

The project determines which type of birds prefer which type of birdseed.

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.

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.

Children have a naturally inquisitive mind. Foster their curiosity with a walk through an autumn field or park to answer age-old “why” questions. As you walk with your child, you can encourage them to ask questions.

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

This science fair project idea is develops new or improved paper making techniques and encourages recycling.

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.

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.