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.

Kids learn about the color rendering index by finding the best lightning for makeup in this fun and original physics science fair project idea.

This science fair project idea examines if there is a reason that musical notes are at the pitches they are.

The objective of this free science fair project is to examine the way in which the phases of the moon affect circadian patterns in mammals.

Science fair project that compares tap water and bottled water for the presence of common impurities.

Science fair project about different digital image file types, compares different encoding algorithms used to compress the data.

Can you dig it? This science experiment isn't for kids who like to keep their hands clean.

This science fair project idea determines whether volunteers remember more information presented orally or visually or kinesthetically.

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

This project involves the programming and development of a 3D Rubik's Cube application using C++.

What are the effects of fertilizer on plant growth? What's the best fertilizer type (solid, liquid or powder)? Kids find out in this science fair project idea.

Identify vitamin C in fruit juices and to determine which of the following juices contain the most vitamin C

In this science fair project, young children will become aware of and have the opportunity to experience the four basic tastes: sweet, sour, salty, and bitter.

Create your very own scented hand sanitizer that will help your child to keep those nasty germs at bay!

This science fair project idea investigates the hardness property of minerals.

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

In this experiment, recycled objects are separated to demonstrate how mixtures are made and the variance in the physical properties of their ingredients.

This project compares different liquids and the freezing, melting and boiling points of liquids.

Examine spreadsheet functions and design a new way to utilize spreadsheets. Analyze a spreadsheet program to familiarize yourself with its capabilities.

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

In this open-ended activity, students will be given a small quantity of three types of materials and asked to design a prototype for “something that will improve the school.”

This science fair project idea assesses the effect of music on work performance.

Is it a square or a circle? See if you can trick your friends with this zany science project!

This experiment investigates whether smell can be used to enhance test subjects' memories.

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

Science fair project that explores the variety of webs that spiders weave and collect specimens for identification.

Place mushroom caps on poster board, label samples. Check beneath mushroom caps for "prints" of spores. Record and interpret prints left behind.

Make a periscope with milk cartons and mirrors! This preschool activity is great for playing secret agent and learning simple physics.

Science fair project that examines the benefits of the plant enzyme: pectin methyl esterase (PME). Where is PME found in the plant? What does it do chemically?

With Halloween right around the corner, find a way to use your brain and reward your tummy with a new type of science -- candy science!