Test whether plants can grow without sunlight and water.

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!

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!

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

In this fun activity, your child will create their very own solar oven to bake s'mores!

This science fair project idea explores whether talking to a plant will help it grow.

The objective of this science fair project is to explore the relationship between acidic and basic compounds.

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

This science fair project idea explores how length affects the weight a bridge can hold.

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

Set off an a science adventure as you prepare a row of bee homes for your new visitors.

This project determines what category of person is most likely to be ticklish.

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

Study the life cycle of the common blowfly as it relates to forensic investigation. Record the first time you see flies, maggots, and eggs.

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

This science fair project idea compares biodiversity between drops of water.

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.