Science fair project that helps you better understand density by comparing the relative densities of cans of Coke and Diet Coke.

Measure temperature change over time using a variety of insulation materials. Be creative with insulation materials: scarves, yarn, socks, feathers, oil, etc

Science fair project which teaches you how to make your own homemade glue by combing curdled milk with baking soda.

Are your taste buds up for the challenge? Put tongues to the test with this science fair project that examines who enjoys sour flavors more, adults or kids?

This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.

Science fair project that uses distillation to convert salt water into fresh water.

This science fair project idea explores if male or female humans are more likely to exhibit some form of color blindness.

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

This recipe makes bubbles that not only blow up nice and big, but do tricks and experiments! How do you do it? It's not a secret, it's science!

In this science fair project, students examine how temperature affects sugar transport within a plant.

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

Consult mechanics, automotive specialists for advice. Build a real engine or a scale model. Test and demonstrate its mechanical properties.

Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.

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

Check out this free high school science fair project to explore the physics of the Coriolis effect with a homemade Foucault Pendulum.

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

This fun science fair project idea explains what a circadian rhythm is and explores the types of biological activities that follow a 24 hour cycle in mammals.

How does bleach kill bacteria? Kids find out in this impressive bacteria science fair project by testing different concentrations on a safe strain of E. coli.

The objective of this experiment is to identify common materials that absorb sound waves with the greatest efficiency.

Determine the maximum distance traveled by projectiles launched at an angle. Use some cool math to figure out at which angle your projectile will go farthest.

Science fair project which determines whether a person's taste in music is dictated by the key that the song is written in.

The purpose of this science project is to determine which stimulus, gravity or water, will cause the greatest growth response in a plant.

The goal of this science fair project is to demonstrate magnetic forces of attraction and repulsion using a magnet and everyday objects.

This science fair project idea determines the probability of a coin landing heads or tails.

Construct and experiment with a periscope using reflected light rays to gather an image.

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

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.

This experiment uses a voice recorder to monitor the progression of a message in the telephone game as it deviates from the original.

A great science fair project on solar oven design that helps kids learn about solar power and solar heating.