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Ninth Grade Science Fair Project Ideas

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

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This experiment strives to determine if tracking of conservation habits will lead to reductions in a family's electricity and water bills.
Do Household Conservation Efforts Lead to Lower Utility Bills?
Ninth Grade
Middle School
This experiment evaluates whether there is a relationship between grade point average (GPA) and dating status.
Investigating the Link Between Relationships and Academic Performance
Ninth Grade
High 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?
Ninth Grade
Middle School
This project examines the phenomenon of using a mirror to trick a person's brain into experiencing sensations in body parts not actually affected.
Using Mirrors to Create Phantom Sensations
Ninth Grade
High School
This social science experiment endeavors to determine whether certain types of animals provide greater physical and mental health benefits to their owners.
The Best Pet for your Health
Ninth Grade
High School
This experiment explores whether music affects the growth of bacteria and could help figure out better ways to process sewage and other microbe-assisted duties.
What Music Does Bacteria Enjoy the Most?
Ninth Grade
High School
Science fair project that determines what percentage of air is made up of oxygen by examining the chemical reaction between oxygen and rust.
How Much Oxygen is in the Air?
Ninth Grade
Eighth Grade
Observe if dissolved aspirin will help plants grow healthier and faster in this science fair project idea.
Does Aspirin Help Plants Grow?
Ninth Grade
Seventh Grade
Study how we perceive color by exploring optical illusions such as pointillism, digital images, and Ishihara tests.
Exploring Optical Illusions: Color & Pointillism
Ninth Grade
Tenth Grade
Investigate the kinds of memories we tend to store and the emotions we store with them. Determine if memories have a strong emotional component.
How Do You Remember?
Ninth Grade
Tenth Grade
Thermometers are how we measure temperature, and we've all heard the terms 'centigrade' and 'Fahrenheit' tossed around, but what do they really mean?
Centigrade and Fahrenheit: What Do They Really Mean?
Ninth Grade
Middle School
In this science fair project, students evaluate the alleged pain-relieving properties of amber.
Evaluating the Healing Powers of Amber
Ninth Grade
Middle School
In this science fair project, high school students will try to determine the mathematical patterns in JS Bach's two movement preludes and fugues.
Patterns in J.S. Bach
Ninth Grade
High School
Learn whether dark green and leafy veggies tend to have a higher Vitamin C content than lighter green varieties.
Are Dark Green, Leafy Veggies Higher in Vitamin C Content Than Their Lighter-Colored Counterparts?
Ninth Grade
Seventh Grade
In this experiment two environments will be compared: a room with interior design that uses correct Feng Shui versus one with incorrect Feng Shui.
Does Feng Shui Effect Mood?
Ninth Grade
High School

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