Science Terms

8. the movement of air caused by differences in air pressure.
9. organism that gets energy by breaking down dead organisms.
12. a small rocky body that revolves around the sun.
13. a small body of ice, rock, and cosmic dust.
15. an organism that eats both plants and animals.
17. a mixture of gases that surrounds a planet or moon.
20. the transfer of energy as electromagnetic waves.
21. Stream a narrow belt of strong winds that blow in the upper troposphere.
22. Pressure the measure of force which air molecules push on a surface.
24. the mass of mostly microscopic organisms that float or drift freely in fresh water environments.
25. the lowest layer of the atmosphere, which we live in.
26. the study of living things.
27. the ability to do work.
29. the distance that light travels in one year.

1. Effect the apparent curving of the paths of winds and ocean currents due to earth's rotation.
2. a consumer that only eats plants.
3. a community of organisms and their abiotic, or living, environment.
4. a relationship in which two different organisms live in close association with each other.
5. a consumer that eats animals.
6. a material in which charges can move easily.
7. an instrument used to measure air pressure.
10. any form of water that falls to the earth's surface.
11. the amount of matter in a given space.
14. the potential difference between two points measured in volts.
16. Warming an increase in global temperatures.
18. a tool used to measure air temperature.
19. a measure of the amount of dissolved salts in a liquid.
23. Circuit a circuit in which all parts are connected.
28. large groups of stars, dust, and gas.
30. the periodic rise and fall of the water level in the ocean.