Across
- 3. Any size group of interacting parts that form a complex whole.
- 4. The 4th step of the Nebular Theory.
- 7. Everything that surrounds and influences an organism.
- 9. The thin, rocky outer layer of Earth.
- 10. The study of the earth
- 12. they study of the oceans
- 13. The innermost layer of Earth, located beneath the mantle.
- 14. The water portion of Earth.
- 15. The 2nd step of the Nebular Theory.Closed closed System Matter does not leave or enter the system, but energy does.
Down
- 1. A well-established, reliable explanation of a natural or physical phenomenon.
- 2. The thin, gaseous envelope that surrounds Earth
- 5. The parts of the solid Earth, hydrosphere, and atmosphere in which living organisms can be found.
- 6. The 1st step of the Nebular Theory.
- 8. The study of the atmosphere and the processes that produce weather and climate.
- 11. A scientific explanation for a set of observations that can be tested in ways that support or reject it.