In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

In this science fair project, students will use four different household objects to see which ones form the most or best crystals.

Compare the whitening abilities of four different brands of whitening toothpaste to see which one whitens the fastest and which one whitens the most.

In this science fair project, young children will become aware of and have the opportunity to experience the four basic tastes: sweet, sour, salty, and bitter.

This project examines the amount of saltwater required to affect the growth of plants and subsequent effects on growth and development.

This project explores the effectiveness of various common household ingredients in cleaning tarnished and oxidized coins.

Science fair project which uses coins flips to visually demonstrate the probability of an event and how to express it.

This science fair project idea explores substances that cause a bubble to last longer.

Determine how we can separate the components of a solution

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

This science fair project determines the quality of a given product.

Check out this fun science project idea to get a better understanding of unstable isotopes and the process of radioactive decay of isotopes through modeling.

Determine whether a hot liquid cools off faster when liquid is added before or after a two minute wait.

This science fair idea examines hydrogel superabsorbent polymer crystals. They can absorb 500 times their weight in water. Can they absorb other liquids too?

The project investigates which soft drink is worse for your teeth by observing the affect of soft drink on limestone.

Discover which method for odor removal words the best for stifling refrigerator odors.

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?

Science fair project that determines which materials cause the most friction by sliding blocks of wood down a ramp.

This science fair project idea demonstrates how our fingers prune when in water.

This science fair project idea investigates how different disinfectants work in killing germs.

This project tests the hypothesis that dark colors absorb more heat than light colors.

This science fair project idea determines how quickly germs and bacteria spread.

This science fair project idea investigates how color affects temperature.

Examine the connection between temperature and chemiluminescence.

The project determines which laundry detergent is best for cleaning clothes.

Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.

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