Across
- 2. cycle the process of which the three main types of rock transform into each other
- 5. energy energy from the sun that can become electrical or thermal energy
- 6. key a simple tool used to identify specific objects
- 8. the process in which cold, deep water rises to the ocean's surface replacing displaced surface water
- 9. a group of people/organisms living together in one place
- 11. the ability to maintain or support something over time
- 12. an organism that can make its own food and energy
- 14. cycle the rising of warmer substances and sinking of cooler ones
- 15. energy from the sun that is converted to electrical or thermal energy
Down
- 1. the harmful addition of substances/objects to an environment
- 3. water falling from the sky in many different forms
- 4. resource a natural substance that naturally replenishes itself a natural substance that cannot replenish itself at an adequate rate
- 7. an organism that uses or eats something produced
- 10. the process in which liquid becomes vapor
- 13. study between an organism and their environment