Across
- 2. Is a scientific process that is designed to reveal the effect of something
- 4. Electricity produced from the energy created by moving water
- 6. Something it can be proven or disproven by performing an experiment
- 7. Is a body of water that does not contain salt, or that contains a very small amount of salt
- 9. The part of an experiment that does not receive the substance or treatment that is being tested
- 12. Something it moves continuously in a particular direction
- 13. is a group of all the living things in a particular area
- 14. A warm shallow area in an ocean that is along the edge of land
- 15. A set of living and nonliving things that exists in a particular environment or area together
Down
- 1. An organism that gets its nutrients by feeding on other organisms
- 3. The layer on the Earth that supports all living organisms
- 5. The degree of biological variation among individuals in a population
- 8. An idea or statement that is not proven
- 10. To judge something or draw a conclusion about something after thinking carefully about it
- 11. The science of weather and atmospheric changes