Study how liquids separate into layers by creating a liquid gradient, different density liquids separate into layers in a graduated cylinder.

Science fair project which teaches you about the principles of physics within a vacuum by creating a vacuum chamber.

Store bowls of fresh fruit in differently lighted environments. Contrast freshness based on appearance.

Determine the growth rates of different types of human hair. Ask volunteers to not cut their hair until the end of experiment. Measure hair length.

This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

Design and build a balloon rocket from an existing design. Think of the ways in which existing designs can be improved, new practical applications

Observe if dissolved aspirin will help plants grow healthier and faster in this science fair project idea.

Check out this cool science fair project idea to learn why it is important for kids to eat healthy foods like fresh fruits and vegetables.

Before digital cameras, before Polaroids, there was the original pinhole camera. Build a pinhole camera and see what true vintage photography looks like!

The science project fair idea explores the interaction between your nose, mouth, and brain when tasting a new food or drink.

Explore joule heating and resistance vs. temperature with this cool electricity science fair project that gets kids melting ice cubes with resistors.

Kids will discover the meat science behind the meat they eat, and find out how to use safe chemistry to make meat more tender.

Help your child plant a "tea garden": a garden made of herbs for making teas.

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

Science fair project in which you will create your electricity by making a homemade battery using salt water, a nail, and a copper wire.

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 experiment uses personality assessments to evaluate if certain personality traits are more common in people with unusual first names.

Here's a first grade ladybug game that explores how air can move solid objects, and adds some measurement practice, too. Play, learn, and enjoy!

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

This experiment evaluates if the temperature of the environment that you work in affects your ability to perform mental tasks.

This science fair project idea determines whether eating before or after exercise is more beneficial to health and performance.

Examine whether males or females are more likely to have a higher center of gravity.

Conduct a simple science experiment to see if flowers from your garden pass the acid-base indicator test with this exciting chemistry activity.

The project idea is to understand why chocolate turns white and to determine the fastest way that this process can occur.

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

We're all familiar with the idea that some songs âget stuck in your head.â This experiment explores the validity of that claim.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

This interdisciplinary card game will have your third grader working on math facts as he travels through the solar system!

This science fair project explores how salt and sugar affect the melting rate of ice in water.

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.