Total alkalinity and pH personal care products are controlled to prevent skin irritation. Learn more about basic and acidic substances in this science project.

Look for correlation between pH values of commercial soaps and detergents and manufacturer claims about eye irritation hazards.

This experiment explores whether caffeine improves athletic performance.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

Find out whether packaged seeds actually do expire in this new science fair project idea.

How do organic materials become soil? This science experiment measures what materials biodegrade.

This science project explores the concept of being opaque or clear. Can you make something clear opaque? Or something opaque clear?

Science fair project that tests whether cats have a preference for organic food.

The goal of this science fair project was to examine how different angles of decline affect the tipping point of a vehicle.

What colors can dogs see? Do they only have black and white vision, or can they see other colors too? Find out in this cool science experiment!

This science fair project idea tests the efficacy of both synthetic and natural antibiotics.

This science fair project idea demonstrates how our fingers prune when in water.

Research overview of architecural acoustics. Design and build a whispering wall from wood or plastic. Test which materials work best.

In this experiment, students create music with subliminal messaging to try to influence people's decision-making.

Determine the efficiency of multi-tasking by comparing how long it takes students to complete different tasks. Collate data, complete Summary Chart.

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

Bring back the groovy memories by making shrinky dinks using household materials, while learning about the science of plastics. Here's how to get started:

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

This project explores if people more easily distinguish between faces of people of their own race or ethnicity compared to those of other races or ethnicities.

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

This science fair project idea measures physical dexterity as a function of temperature.

Your kindergartener will have a blast helping you craft these fun, eco-friendly potted place cards.

This project analyzes people's emotional responses to images in painting vs similar images in photographs.

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

Determine how different measurements of the same object might yield different values. Provide as many reasons that you can think of.

Leave your computer on 24/7. Will this lead to to more frequent crashes, freezes, and a slower processing speed? Find out in this science fair project idea.

This science fair project idea explores discover whether mixing solutions of equal distances from neutral pH (7) will create a solution close to pH 7.

How much water comes out of snow? Explore this timely question with your kindergarten scientist with this easy winter experiment.

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.

Which battery lasts the longest? In this science fair project, kids will test popular brand name batteries like Duracell and Energizer against generic brands.