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Ninth Grade Science Fair Project Ideas

Education.com's team of professional scientists, science teachers, and educational consultants has put together a fantastic collection of free life science, science fair projects, life science experiments, and biology science fair projects for kids. If your child has an upcoming science fair and is interested in microbiology, botany, or the human body, Education.com has you covered with cool and easy life science and biology projects that will have little biologists doing everything from building models of cells to determining if people can be genetically predisposed to hearing loss. Check out our free resources below!

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Science fair project idea that compares number and relative sizes of leaf stomata. Collect leaves of plant species, identify, observe stomata with microscope.
Ninth Grade
Life Science
Science fair project in which you will build your own algae photobioreactor which will meet the physiological requirements of algae for maximum growth.
Ninth Grade
Life Science
Science fair project which compares the rates of photosynthesis for various light sources. Which type of light will be best for photosynthesis and why?
Ninth Grade
Life Science
Science fair project that compares the ecology of different soil samples by identifying which sample has the most invertebrates living in it.
Ninth Grade
Life Science
Science fair project that examines how light wavelengths affect photosynthesis in the aquatic plant: Elodea.
Ninth Grade
Life Science
Science fair project which compares the quantity of cells in the different phases of mitosis by observing the cells of an onion root tip.
Ninth Grade
Life Science
Science fair project that observes hemoglobin synthesis in the small crustacean species Daphnia Magna.
Ninth Grade
Life Science
Science fair project which determines which colors of light allow plants to produce the most chlorophyll. How are color and light related to each other?
Ninth Grade
Botany
Science fair project determines relationship between number and variety of insects and spiders by collecting and counting invertebrates in a ecosystem.
Ninth Grade
Life Science
Science fair project that compares tree leaf size and shape based on the leaf's position in the tree. Is their is a noticeable difference between high and low?
Ninth Grade
Life Science

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