7th Grade Science Review

4. The stuff that makes up all living and nonliving objects.
7. A group of organisms of the same species living in the same habitat.
8. The transfer of thermal energy by the movement of fluids of different temperatures.
9. Any form of water that falls to Earth, including rain, snow, hail, and sleet.
10. Areas with unstable, often stormy weather.
11. An organism that is eaten by another organism.
12. All of the living and nonliving components, and all of the interactions among them.
15. The outdoor conditions at a specific time and place.
16. The emission of radiant energy.
18. The nonliving components in an ecosystem include water, temperature, and sunlight.
19. An organism that gets its food by eating other organisms.
20. The average weather in a place over a fairly long period of time.

1. A location in an environment where an organism lives.
2. The close and often long-term interaction between two species.
3. The process of energy or matter entering a material but not exiting the material.
5. The study of the relationships of organisms to one another and to the physical environment.
6. Reducing energy consumption by using less energy or using more energy-efficient devices.
11. Energy of position or condition.
13. A defined area of flow within an ocean capable of moving large amounts of water very long distances.
14. An object that supports the transfer of thermal energy.
17. The movement of energy from one object or place to another.