Rainwater Cleaning Garden
In this project, students will create a small model of a rain garden. They will observe its function as a natural filter and, through an experiment, explore how it can absorb excess rainwater and reduce pollution.
- Bottle with cap - 1-1.5 L
- Soft clay (plasticine)
- Soil
- Transparent plastic cup - 3 pcs.
- String - 40 cm
- Water
- Vegetable oil
- Food coloring
- Oat flakes (or any other flakes)
- Utility knife, hole punch
