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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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Science fair project about different digital image file types, compares different encoding algorithms used to compress the data.
Encoding Digital Images
Ninth Grade
Eighth Grade
Science fair project that demonstrates the principle of conservation of mass by conducting a chemical reaction inside a sealed Ziploc bag.
Coservation of Mass
Ninth Grade
Tenth Grade
What happens when 'coffee-addicts' miss coffee for 1 day? Find out in this science fair project idea!
Is Coffee an Addiction?
Ninth Grade
Sixth Grade
Do males really prefer listening to male than female singers? Find out when exploring this science fair project!
Do People Prefer Singers of the Same Sex?
Ninth Grade
Sixth Grade
Science fair project that teaches you key definitions of molecular science, and how different isotopes of an element affect the relative atomic mass.
Atomic Mass of Silver
Ninth Grade
Eighth Grade
Science fair project that examines learn how the angle of incidence affects the efficiency of solar panels. How does a solar cell work?
Efficient Solar Energy
Ninth Grade
Sixth Grade
This experiment investigates whether the psychological phenomenon of the halo effect can be used to explain people's perceptions of others.
Testing the Halo Effect
Ninth Grade
High School
Science fair project that examines the effects of soap on the surface tension of water. How does soap affect the surface tension of water?
Soapy Surface Tension
Ninth Grade
Eighth Grade
Examine the impact of insecticides on plant growth.
Do Insecticides Stunt Plant Growth
Ninth Grade
Sixth Grade
Science fair project in which you will create your electricity by making a homemade battery using salt water, a nail, and a copper wire.
Salt Water Energy
Ninth Grade
Seventh Grade
Science fair project which compares the rates of photosynthesis for various light sources. Which type of light will be best for photosynthesis and why?
Rates of Photosynthesis
Ninth Grade
Seventh Grade
Science fair project which measures the amount of heat energy released by a burning candle by calculating how many calories of heat it emits.
Candle Lit Energy
Ninth Grade
Seventh Grade
Science fair project that examines the relationship between the size of a bubble and how quickly it falls. What is the correlation?
How Heavy is a Bubble?
Ninth Grade
Seventh Grade
Science fair project which compares the quantity of cells in the different phases of mitosis by observing the cells of an onion root tip.
Rates of Mitosis in Onion Root Tips
Ninth Grade
Tenth Grade
Study the physical and chemical changes that make hair curl or straighten. Study ingredients, function of chemicals like thioglycolic acid.
Straight to Curly Hair
Ninth Grade
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