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

This project explores how and how much one family can reduce the amount of garbage they accumulate over a three month period.

Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.

In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

This experiment explores the most common colors that appear among a sample of crossbred guppies.

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

This experiment uses personality assessments to evaluate if certain personality traits are more common in people with unusual first names.

This science fair project idea explores what common compounds can be easily separated out in a centrifuge.

In this experiment, students find out what happens when a less-dense fluid interacts with a denser one, replicating the effect of cooler solid rock on magma.

The objective of this experiment is to identify common materials that absorb sound waves with the greatest efficiency.

In this science fair project, students evaluate test subjects to determine if certain personality traits are more common in frequent users of social media.

Research responsibilities of physicists, and common thinking patterns. Devise a questionnaire that measures career aptitude in physics.

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

Science fair project that compares tap water and bottled water for the presence of common impurities.

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

Is garlic antibacterial? Antimicrobial? Kids find out by using common kitchen equipment and ingredients in this cool and easy microbiology science fair project.

Check out this cool science fair project idea to explore which other common animals besides scorpions glow under a UV Black light.

Salmonella and E.coli are common food contaminates. This experiment measures the time it takes for E.coli and Salmonella to reach hazardous levels in fish.

This science fair project idea measures out the sugar of various foods and find out whether people can correctly determine how much sugar is in common foods.

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

This experiment explores how listening in to a one-sided conversation affects concentration.

This project compares the strength of one, two, and three-ply toilet paper.

Test out various brands of permanent markers to see which one is least water soluble.

In almost every preschool classroom is a sensory table. Learn how to make one at home!

What happens when "coffee-addicts" miss coffee for 1 day? Find out in this science fair project idea!

Science fair project that determines whether moths are attracted to one color of light more than others.

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.