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This science fair project idea explores substances that cause a bubble to last longer.

Science fair project that compares the relative carbon dioxide concentrations of various gases, including different types of vehicle emissions.

Which sunscreen is most effective at blocking the sun's harmful UV rays? Test the SPF of various sunblock brands in this cool science project!

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.

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

This awesome diffraction grating experiment puts high school students' applied math skills to the test by having them calculate the wavelength of laser light.

How do organic materials become soil? This science experiment measures what materials biodegrade.

Demonstrate if cooking destroys all bacteria that is present in raw meats such as salmonella.

This experiment explores the question of whether age and/or gender play a role in people's ability to remember dreams.

This experiment investigates whether font choice affects peoplesâ ability to remember the information that they read.

This experiment investigates whether the primacy effect is observed more frequently in specific populations of people.

Are your taste buds up for the challenge? Put tongues to the test with this science fair project that examines who enjoys sour flavors more, adults or kids?

The objective of this science project is to determine whether a sweet tooth is most likely an inherited trait or a learned behavior.

The purpose of this science fair project is to determine which conditions and materials quicken the composting process to make the best compost.

Dig into the physics of pool to explore some cool applied math and learn about what happens in an elastic collision of equal masses.

This science fair project will help learners determine whether algae can be made to grow by feeding it supplementary carbon dioxide.

This science fair project idea determines if the color of light affects the growth of plants.

In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.

This experiment uses a voice recorder to monitor the progression of a message in the telephone game as it deviates from the original.

This science fair project idea tests whether tall people have the ability to swim faster than people of average and shorter heights.

This experiment investigates whether smell can be used to enhance test subjects' memories.

Evaluate if people are more influenced by video or audio advertising.

Science fair project which tests which antacids are most potent by measuring how well they neutralize the acid in lemon juice.

This science project investigates the influence of different genres of movies on appetite.

Science fair project idea examines validity of mood ring predictions. Analyze accuracy of results, consider the impact of temperature

Total alkalinity and pH personal care products are controlled to prevent skin irritation. Learn more about basic and acidic substances in this science project.

Explore joule heating and resistance vs. temperature with this cool electricity science fair project that gets kids melting ice cubes with resistors.

This science fair project idea studies the differences in gender perception between people.

Determine whether the application of Febreeze will lower the bacterial count.