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

Explore how sound waves are reflected and absorbed by producing echoes. Analyze which locations produce echoes.

Kids will enjoy this cool demonstration of Newton's Third Law and the conservation of linear momentum.

This experiment evaluates whether there is a relationship between grade point average (GPA) and dating status.

This cool air pressure demonstration has kids break a ruler using only a newspaper and atmospheric pressure.

The objective of this science project is to investigate patterns in fingerprints among family members.

This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

Explore properties of liquids and how temperature and salinity effect surface tension of liquids in this fun- filled science fair project idea.

The objective of this science fair project is to study the photosynthesis process and demonstrate the important role that leaves play in the process.

Determine which kind of rock (igneous, sedimentary, metamorphic) has the greatest reservoir capacity, which is the ability to hold the most oil and natural gas.

This project will explore whether people are emotionally susceptible to suggestions of both humor and sorrow.

Check out this fun science fair project to make a vinegar and baking soda balloon and demonstrate how gas is created as a result of the chemical reaction.

Which music genres have the fastest tempos? The slowest? This experiment determines if there's a relationship between beats per minute in a song and its genre.

Demonstrate and describe acid-base reactions of baking soda and baking powder by making pancakes.

This science fair project idea quantifies the effect of weather- in this case temperature and humidity- on musical instruments.

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

In science fair projects, middle school students discover why nitrogen fixing bacteria are important to plant growth.

In this science fair project, students examine how the flow rate in a stream affects the growth of aquatic plants.

Science fair project that determines the effect of concentrated mental effort on physical performance levels.

Determine which video game elevates the heart rate best and burns the most calories.

Is exercise a cellular activity? Check out this fun science fair project idea to compare the carbon dioxide production before and after exercise.

The goal of this science fair project is to assess the acidity levels of common food and household products using pH test strips.

Study the life cycle of the common blowfly as it relates to forensic investigation. Record the first time you see flies, maggots, and eggs.

Do hand soaps and sanitizers prevent the growth of bread mold? If so, why? Kids will find out with this fun and informative science fair project idea.

Wild-type and GAPDH mutant Caenorhabditis elegans were used as an example of how glucose or sugar affects the lifespan of humans.

This science fair project idea explores whether certain physical and mental traits run in the family.

Learn about the anatomy of the autonomic nervous system and its relationship to the rest of the body.

This science project researches the correlation between barometric pressure and wind velocity.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

This science fair project idea experiments with spinning color wheels and optical illusions.