In this experiment you will become familiar with the properties of dry ice while creating interesting effects like ice bubbles!

Measure the porosity of rocks by submerging them in water. Measure how much water each rock "drank," by measuring the difference in water volume.

Science fair project that determines whether disinfectant sprays or disinfectant soaps are more effective at removing bacteria from hands.

This science fair project idea discovers the principle of conservation of mass.

The objective of this science project is to investigate why NASA has been using aerogel for the Stardust Project for collecting gas and dust from comets.

This experiment will examine and precisely measure the amount of sugar in various sodas.

How does distance affect the spreading of light? Kids see diffraction and the inverse square law of light in action with this great science fair project idea.

This science fair project idea examines the reason boats are shaped and engineered.

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

In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.

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

What if the shape of the Earth weren't spherical? How does its shape affect our gravity, climate, and tides? Model these questions in this cool project!

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

Science fair project that helps you create your own compost pile in order to test the efficiency of different methods of composting.

Find out whether people within a family tend to have matching fingerprints.

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

Demonstrate which cooking method gets rid of the most fat.

Discover how and which salt melts ice the quickest.

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

In this experiment, students will create their own version of coquina, a sedimentary rock thatâs formed by seashells and sand, cemented by seawater minerals.

Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.

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

This science fair project determines what effect substances have on ice, and which of these products most effectively melts ice.

This science fair project idea investigates whether rocks containing geodes can be determined from the outside.

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

Determine which environment keeps an ice cube frozen for the longest duration. Inspect and record your observations when cubes melt.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

Determine if each hemisphere specializes in dealing with specific functions. Include illustrations of the brain, it hemispheres.

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.

In this science fair experiment about recycling, demonstrate how the wax from a candle can be reused to make another candle.