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Middle School Science Fair Project Ideas

Ready to get your hands dirty? Explore the kingdom plantae with these botany science fair projects and botany experiments for kids. Education.com 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 determines whether the types of plants growing in a Pacific Northwest rain forest environment are influenced by the soil acidity.
Middle School
Botany
In this science fair project, you will determine the effects of acids and bases on red cabbage. Use Education.com for free science fair project ideas!
Middle School
Botany
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.
Middle School
Botany
Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.
Botany
Third Grade
In this free science fair project, explore the behavior of sensitive plants and experiment with what stimuli cause them to move.
Middle School
Botany
In this free science fair project, experiment the rate of plant growth with the concentration of growth-stimulating chemical. Great science project for kids.
Middle School
Botany
In this free science fair project, experiment with whether plants grow best in nutrient solution or plants.  Explore the science of hydroponics.
Middle School
Botany
Learn how healthy potted tomato plants can mature and bear fruit in a hydroponic environment! Use Education.com for free science fair project ideas.
Middle School
Botany
Learn how to test for the production of carbon dioxide by respiration in plants with this science fair project.
Middle School
Botany
In this science fair project, you will study the process of osmosis (movement of water through a type of membrane) with potatoes.
Middle School
Botany
In this science fair project, learn about transpiration, the process by which plants lose water from their leaves by evaporation.
Middle School
Botany

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