Eighth Grade Science Fair Project Ideas

Great selection of eighth grade science fair project ideas. These science fair projects can help you find eighth grade level ideas for your science fair.

Showing 31 to 45 of 265

Science fair project which teaches you about the principles of physics within a vacuum by creating a vacuum chamber.

Homemade Vacuum Chamber

Eighth Grade
Fifth Grade

In this science fair project, students investigate how different colors influence appetite.

Colors That Make You Hungry

Eighth Grade
Psychology and Sociology

This experiment will evaluate if the environments that people work in affect their speed and accuracy in performing mental tasks.

How Does Work Environment Affect Performance?

Eighth Grade
Middle School

This science fair project measures two teas to see if there a difference in infusion concentration based on the way the teas are packaged.

How Does Loose Rolled Tea Compare to Tea in Teabags?

Eighth Grade
Middle School

In this 'paper and pen' science fair experiment, students will research the difference between standard time and astronomical mean time.

What is Astronomical Mean Time?

Eighth Grade
Middle School

Does fear cause the same physiologic responses in men and women? This experiment measures people's blood pressure and heart rate while watching a scary movie.

Men Versus Women: Who is More Afraid?

Eighth Grade
Middle School

This experiment uses Rosenberg's Self Esteem Scale to evaluate if there is a correlation between family size and self esteem.

Does Family Size Affect Self-Worth?

Eighth Grade
Middle School

This project explores whether people's choice of a 'random' number is not as random as it seems.

17: The Most Popular Random Number

Eighth Grade
Elementary School

This science project is to discover which Black Walnut tree tissue contains the most concentrated amount of Juglone, a substance that works like an herbicide.

Which Part of the Walnut Tree Contains the Greatest Concentration of Allelopathic Substances?

Eighth Grade
Middle School

This experiment evaluates if people of a specific gender or age more likely have an elevated number of taste buds, allowing them to taste what others cannot.

Who Is More Likely To Be a “Super Taster”?

Eighth Grade
Middle School

This science fair project evaluates the suggestibility of males versus females in copying the actions of those around them.

Evaluating Social Mimicry

Eighth Grade
Middle School

This experiment evaluates if people have an accurate perception of how much personal time they spend interacting with technology.

How Much Time Does Technology Take?

Eighth Grade
Middle School

This experiment investigates if color preference changes as people grow older.

How Does Color Preference Change with Age?

Eighth Grade
Middle School

This science fair project evaluates which sense produces the fastest response time: hearing, touching, smelling or seeing.

Stimulus and Response

Eighth Grade
Middle School

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

Using Smell to Enhance Memory

Eighth Grade
Middle School

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Eighth Grade Science Fair Project Ideas

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