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

This experiment will explore the possibility of creating an infinite object by hand.

What is the Doppler Effect, or the Doppler Shift? The purpose of this science fair project is to determine how distance impacts the Doppler Effect.

The purpose of this science project is to determine whether the amount of air in a soccer ball affects how far it goes when kicked.

This experiment explores how microwave radiation affects fungi, bacteria, and plant life.

In this fun science fair project idea learn about the multiple sources of radio waves and fin out how difficult it is to block them.

This science fair project idea compares the cuteness reaction between genders.

Find out which kind of bubble wrap fares best when put in impact.

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.

Free science fair project idea that examines cheating in school-age children. Project involves a task in which children are tested on various tasks.

Using a toy race car kids create a visual model of the Doppler Effect.

This project explores differences in people's reactions to images in color and images in black and white.

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

This project leads to an understanding that a whole may be built of smaller parts that fit and work together and provides an introduction to basic tools.

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

This project examines whether humans can intuitively grasp numeric values greater than three.

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

The objective of this science fair project is to examine the cleanliness of salad preparation techniques.

Find out whether we can create motion in a dish and as a result, create a wonderful and colorful show.

Science fair project that determines which foods and drinks contain the highest amount of glucose.

In this experiment you simulate radioactive decay in order to gain an understanding of the basics of half-life.

This experiment will explore if a randomly iterated algorithm will result in a pattern.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

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

This science fair project idea focuses on saturated and unsaturated lipids (fats and oils).

Looking for a project on machines? Get a fun elementary school science fair project idea to design a compound machine using your knowledge of simple machines.

Science fair project that builds a magnetometer and demonstrate its uses.

This experiment will use computers to examine how the famous Mandelbrot set can be manipulated in fractals.

Check out this fun science project idea to explore different types of starches and learn how removing starch affects the quality and taste of food.

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