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

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

This project investigates several commercially decaffeinated tea types (black, green, oolong, white) for the presence of detectable traces of caffeine.

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.

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

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

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

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

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

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

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

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

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

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

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.

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

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

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.

In this experiment you will replicate the mummification process by making a hot dog mummy.

Learn how the focal length of a lens affects a magnifying glass's magnifying power in this cool science fair project idea for 8th grade.

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

In this science fair project, students evaluate if astrological signs provide clues about people's personalities.

This experiment will determine how different kinds of light affects the strength of bakerâs yeast.

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

This experiment uses personality assessments to evaluate the prevalence of specific character traits in left-handed and right-handed people

Test the idea that people who wear glasses tend to be more educated. True or false?

Science fair project that examines the biodiversity of ant populations in various locations.

Discover whether ants are more attracted to natural cane sugar or artificial sweeteners.

Are you able to endure long periods of exercise? Find out if snorers can exercise longer than non-snorers.

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