In this experiment you explore how tectonic plates move to create land and expand bodies of water.

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

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.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

This science project explores the concept of being opaque or clear. Can you make something clear opaque? Or something opaque clear?

This science fair project idea explores whether white light can be separated into different colors.

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

Will increasing the amount of salt in water effect how slow or fast the water freezes?

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

Learn about savanna flora and fauna in this science project! Take a look at characteristics of tropical grassland plants and animals that help them survive.

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?

Test whether plants can grow without sunlight and water.

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

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

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

This science fair project idea explores the egg's thin membrane.

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

How does smell affect taste? Ready your taste buds--in this project, you'll gather some test subjects and do a taste test to see how much smell affects taste.

In this experiment we will be determining whether birds prefer certain colors of seed.

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

Demonstrate the properties of pressure and surface tension to explain how water can stay inside an upside down glass using cardboard.

In this free science fair project, build a star clock and learn how to tell time on a clear night by observing the big dipper!

Test your friends to find out if you can replicate the placebo effect's incredible results.

Do you think heat can affect a plant's growth rate?

Handedness and footedness refer to whether people prefer to use their left or right hand and foot. In this experiment, test hand and foot dominance.

Kids learn how to manipulate additive and subtractive colors to send secret messages with red colored filters in this cool science fair project idea.

This science fair project idea determines what household items are good conductors of electricity.

How powerful is the reaction between baking soda and vinegar? Find out here!