Across
- 5. The junction between two rivers, where a tributary meets a river
- 6. The process of water vapour cooling and forming clouds
- 7. A living thing that eats other plants and animals
- 8. The end of a river, where it flows into a lake, sea or ocean
- 9. Very small pieces of plastic, less than 5mm long
- 10. Food chains show the transfer of this between organisms
Down
- 1. Trees remove carbon dioxide from the atmosphere and release oxygen in this process
- 2. The process of water droplets falling from clouds as rain, snow, sleet or hail
- 3. A species that has been brought into an area, either by accident or on purpose, where it is not normally found
- 4. A bend in a river that slows down the rate of water flowing, reducing flood risk
