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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.

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This science fair project compares the allelopathic chemical produced by the Black Walnut tree to a commercial herbicide in stopping the growth of a shrub.
Natural Herbicide vs. Commercial Herbicide
Eighth Grade
Middle School
In this science fair project, students examine how temperature affects sugar transport within a plant.
Effect of Temperature on Sugar Production
Eighth Grade
Middle School
This experiment evaluates whether a person's eye color affects their ability to identify colors in low light.
Testing the Relationship Between Eye Color and Sight
Eighth Grade
Middle School
Fudge is one of very few desserts people make at home that is actually crystalline. What happens when the fudge crystallizes at different temperatures?
Crystal Fudge
Eighth Grade
High School
In this project students learn about the golden ratio and investigate if it can be used to predict people's assessment of beauty in others.
Investigating Beauty with the Golden Ratio
Eighth Grade
Middle School
This project determines whether hands-on practice, mental practice, or no practice leads to better shooting of free-throws.
Does Practice Make Perfect?
Eighth Grade
Middle School
This project examines whether and what associations exist between numbers and letters and colors.
The Color of Numbers and Letters
Eighth Grade
Middle School
In this experiment, students will discover how heat and pressure turn clay into slate, phyllite, and finally schist.
How Does Heat and Pressure Create Metamorphic Rocks?
Eighth Grade
Fifth Grade
This experiment investigates whether font choice affects peoplesâ ability to remember the information that they read.
Font and the Impact of the Written Word
Eighth Grade
Middle School
In this experiment you will evaluate whether praise improves athletic performance.
Does Praise Enhance Future Performance?
Eighth Grade
Middle School
In this science fair experiment, kids will use the acid test to discover how to tell one mineral from another.
Acid Test: How to tell Minerals Apart
Eighth Grade
Seventh Grade
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 evaluates if a noisy environment makes it harder for test subjects to perform tasks that require hand-eye coordination.
How Does Noise Affect Coordination?
Eighth Grade
Middle School
This experiment investigates if stress alters body temperature.
How Stress Affects the Body
Eighth Grade
Middle School
This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.
How to Create a Visual Doppler
Eighth Grade
Fourth Grade

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