This science fair project idea demonstrates how air resistance contributes to denser objects falling faster than less dense objects.

In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

In this air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.

This science fair project idea's objective is to become familiar with items your family regularly throws in the trash.

This science fair project enhances the understanding and awareness of energy use and explores the concept of energy efficient.

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.

The project investigates how water and movement affects erosion.

Science fair project that demonstrates the effect of detergent pollution on fresh water birds' ability to stay afloat.

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

Before you get ready for a delicious scramble or omelet, add a bit of science to your morning routine!

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

In this investigation, an oil spill is simulated in a jar to observe the damage that oil spills have on the ocean and ocean life.

This science fair project idea teaches to understand and explore the concepts of crystal formation and dissolving substances.

This science fair project idea investigates whether air has mass and weight.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

Milk is made of water and fat; but how can you separate the two? Find out in this color changing milk experiment.

Science fair project that examines condensation and the conditions needed in order for dew to form.

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

This science fair project idea investigates which objects float and sink in honey, water, and oil.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.

In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.

In this fun science experiment, kids will determine the best method for ripening avocados and discover the cool chemical reaction that makes this possible.

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

This science experiment has students test whether a snail moves faster on concrete or dirt.