Across
- 4. The process by which rain,snow, sleet and hail fall to the ground.
- 7. An animal that consumes another organism as food.
- 10. An animal used by another animal as food.
- 11. The concentration of vapor into a denser form of liquid. This often creates clouds.
Down
- 1. The process by which precipitation accumulates or gathers into a body of water.
- 2. The process by which plants use sunlight and chlorophyll to create food.
- 3. The name given to precipitation that travels through and over land to a stream or body of water.
- 5. The process by which water is converted into vapor
- 6. The gas given off by humans (and other animals) and used by plants.
- 8. The gas given off by plants and used by humans
- 9. An organism that eats another organism
- 10. An organism that creates its own energy (food) from the sun
