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

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

How clean is the air we breathe? The answer might surprise you. Learn how to investigate local air quality with this cool science fair project.

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.

The project examines absorbent polymers absorbency in disposable diapers and their unique ecological problem to the environment.

Find out whether matte or shiny nail polish lasts longer.

This science fair project idea discovers which parts of the body are more sensitive to touch than other parts of the body.

The project investigates how friction affects motion by using different surface textures.

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

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

With this science fair idea, little scientists will gain valuable insights into the physics behind throwing a baseball.

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

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.

This science fair project idea determines if family members can recognize one another using only the sense of smell.

How well can people recall what they have observed. Test your knowledge in this fun experiment.

What combination of cloth and stain will be the easiest for removing stains? Test and experiment!

Students will investigate the thermal conductivity of metals by learning how to measure thermal conductivity with this fun and easy science fair project idea.

In this fun project, use a memory game to test various age groups and determine whether aging directly affects short-term memory loss.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

In this project, several food items are tested to determine whether they contain starch.

This science fair project idea examines liquids of different densities.

This science fair project idea deals with the qualities of shade on a sunny day.

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

Find out whether a longer airplane will fly farther or a wider paper airplane.

In this project, a mnemonic is used to test how it increases memory.

The project determines the forces that cause paper airplanes to fly and determine which type of paper airplane flies the farthest.