Botany Science Fair Projects

Ready to get your hands dirty? Explore the kingdom plantae with these botany science fair projects and botany experiments for kids. has tons of great ideas for botany and plant projects that can be completed indoors or outdoors at minimal cost and with basic materials. Kids will love discovering how concepts like phototropism, gravitropism, photosynthesis, and transpiration aren't just things they can read about in textbooks—they're very cool biological processes that can be readily observed at home.

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This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.
Elementary School
Science fair project that examines the vein structure (venation) of leaves in order to determine the class of the plant sample.
Sixth Grade
This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.
Fourth Grade
The objective of this science project is to determine the length of time for different seeds to germinate.
First Grade
In this science fair project, you will determine the effects of acids and bases on red cabbage. Use for free science fair project ideas!
Middle School

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