This science fair project idea determines which method of hand cleansing is the most effective.

The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.

Science fair project which examines the relationship between frequency of spider web vibration and spider's response time.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

This science fair project explores how osmotic pressure forces water through the root up into the plant.

This science fair project examines how seeds hitchhike on animals and clothing.

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.

Determine whether butterflies like to drink sugar water, salt water, or plain water.

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

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

In this science fair project, students create their own miniature salt flats at home.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.

This easy aerodynamics activity is a simple way to introduce kids to the scientific method.

The objective this science fair project is to determine whether a bigger bag will allow a homemade hot air balloon to fly higher than smaller bag.

This science fair project idea explores the different properties & interactions of sugar molecules.

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

You've heard the expression "burn rubber" but do you know how heat affects rubber? Examine the impact of temperature on rubber in this fun science experiment.

This science fair project investigates why the number of visible stars changes from place to place.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

Build a 3d animal cell model with this cool science fair project, which helps kids visualize and understand the function of a cell's parts and organelles.

Find out whether matte or shiny nail polish lasts longer.

This science fair project idea investigates if fats add to the flavor of food.

This science fair project idea determines the most effective method of preserving food.

This science fair project idea investigates the difference in reaction times between boys and girls.

This science fair project idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.

This science fair project idea produces varying pitches of sound.

This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.