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 project explores whether music affects the growth and health of plants.
Middle School
This science fair project determines whether the types of plants growing in a Pacific Northwest rain forest environment are influenced by the soil acidity.
Middle School
In this project, sunlight is blocked from a leaf in order to see the affect that sunlight has on leaves.
Elementary School
This project determines the age of a tree using a growth factor chart instead of cutting the tree down to count the rings in its base.
Elementary School

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