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In this science fair project, students test how objects float and sink in liquids of different densities.

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.

Cookie catastrophe! In this project you will determine if different types of cookie sheets can cause cookies to bake differently.

This science fair project idea investigates the relationship between memory and age.

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

Demonstrate and explain holographic technology. Determine if a holographic image of a magnifier still magnifies the object beneath it. Explain the effect.

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

In this activity, children will work on their mathematics and engineering skills as they attempt to recreate the Eiffel Tower out of building blocks!

Create your own light bulb and test filaments of different thicknesses to see which keeps the bulb burning for the longest time.

Plants and light seem to be good buddies, but how far does the friendship really go?

Science fair project which examines the chemical reaction of a candle flame with various gases in order to determine the identity of the gas.

Science fair project that determines which foods and drinks contain the highest amount of glucose.

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

In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.

The projects describes the correlation between Gravel Run and Centreville Landing in terms of pH, dissolved oxygen, turbidity, and temperature.

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

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

In this microwave plant experiment, find out whether microwave radiation will affect radish seed germination. Will it help or hinder the plants' growth?

How fast is the wind blowing? This science experiment provides step-by-step instructions to help you answer this question.

Cleaning can be a chore, but not with this sudsy experiment!

Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

Do you think you could walk around upside down -- with your feet in the air and your head on the ground?

Protozoa and ciliate and amoeba, oh my! The objective of this science fair project is for students to use a microscope and identify microscopic life.

Does electricity move better through thick wires or thin ones? kids will conduct this classic electricity experiment for this science fair project.

Science fair project that determines what percentage of air is made up of oxygen by examining the chemical reaction between oxygen and rust.

Take a closer look at your furry friend (or the furry friend of a neighbor -- with permission) to discover if communication exists between cats and humans.

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

While your cells are much too small to see without a microscope, you can create the look of a cell in your very own home with just an egg and vinegar!