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Do you think plants can grow without soil? If you've tried growing veggies, you probably planted the seeds or seedlings in soil. Soil gives the plants the nutrients they need to grow. However, plants can grow without soil, too, using a process called hydroponics. In this activity, you will transform a 2-liter soda bottle into a mini-garden that needs only light, air, and nutrient-rich water to grow!
A hydroponics experiment gave this student more than just the chance to learn more about growing plants. She also cultivated strong problem-solving skills as she moved her experiment to the garage.
Above: Madeline at the science fair with her hydroponics project.
No matter where you live, fall and winter months are not necessarily the best months for doing plant biology projects, but at Science Buddies, we know that picking a project of interest can…
Use these free lesson plans and activities to teach students about plant science—hands-on STEM options for all grade levels!
Plant science, botany, and plant biology can be introduced to students and explored at all grade levels. To support you in teaching K-12 students about plant science, we have a range of guided educator lesson plans and short activities that can work well in a wide range of settings.
Encourage your students to dream big! See K-12 STEM projects and activities that relate to the 2020 Nobel Prizes.
Announcement earlier this month of the 2020 Nobel Prize winners brought recognition to exciting research in areas of physics, space science, health and human biology, biotechnology and genetics, and the global challenge of ensuring adequate food supply for the world's population. These annual awards honor the pinnacle of science,…
Science Fair Project Idea
What do plants need to grow? Most of us would answer that they need light, air, water, and soil. But by using a process called hydroponics, you can grow plants without soil! How does it work? Try this project and see for yourself!