This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

The objective of this science fair project is to set up a compost bin to convert food scraps and organic waste.

Test whether plants can grow without sunlight and water.

The objective of this science fair project idea is to find out whether refrigerating cosmetics will extend their shelf-life and longevity.

This project explores the interaction between air pressure and playing surface in determining a basketballâs bounce.

This experiment will explore the best way to create a perfect soft-boiled egg.

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

This project examines whether more expensive golf balls translate into better results on the golf course.

Examine whether males or females are more likely to have a higher center of gravity.

This experiment explores the trend of reactivity in the alkaline earth metals as you go down the second column of the periodic table of elements.

Demonstrate how to tell the age of an egg without having to crack it open.

The goal of this science fair project is to demonstrate magnetic forces of attraction and repulsion using a magnet and everyday objects.

Is the birthday paradox really a paradox, or just an intriguing problem that defies intuition? Find out with this birthday paradox science fair project.

Create your own light bulb and test filaments of different thicknesses to see which keeps the bulb burning for the longest time.

The thermometer outside is dip, dip, dipping! What kind of clothes will keep you warmest this winter? This project determines which materials insulate best.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

This experiment will evaluate if the environments that people work in affect their speed and accuracy in performing mental tasks.

Do suds equal more clean or does a sud-free cleaning agent works just as well or even better?

This experiment will examine and precisely measure the amount of sugar in various sodas.

This science fair project idea provides evidence that air is everywhere and takes up space.

This science project involves comparing the relative effectiveness of salt, pepper and dehydration in food preservation.

This science fair experiment examines the relationship between gender, age, and smiling.

This study observes plants, insects and an animal living in proximity to a known source of EMF.

This experiment evaluates whether motivational music can improve athletic performance.

In this experiment you will evaluate whether praise improves athletic performance.

This science fair project examines how carnivorous plants digest insects, and whether the plant can use nitrogen in the soil to compensate for lack of insects.

Science fair project that explore how compound motion works by examining how gravity is affected by horizontal force.

Science fair project that demonstrates the process known as refraction, which allows glasses and contact lenses to help people with poor vision.