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.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

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.

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

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.

This science project has students study a group of volunteer liars actively lying to study the behavior of a lie. Students see if they can figure out the truth.

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.

What can you do with hair after its cut? This science project teaches you practical uses for human hair.

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

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 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.

This science fair project idea examines which type of insulation holds in the most heat.

This science fair project idea explores the different properties of matter.

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

Wind is an important source of renewable, green energy. The purpose of this science fair project is to build and operate a windmill generator.

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

The goal of this science fair project is to analyze differences between the taste and texture of frozen and fresh food.

Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.