TERMS Lessons 4-5 (8.1/8.2)

Question 1

System

Answer 1

a group of parts that work together to function as a whole

Open: energy and matter can enter and leave
Closed: energy can enter and leave, but matter cannot

Question 2

(def. Positive/negative) feedback loop

Answer 2

Feedback loop: part of a system’s output is returned to the input

Positive: speeds up warming
Negative: slows down warming

Question 3

Electromagnetic radiation

Answer 3

form of energy emitted in waves (light) or particles (photons)
ex. radio waves, x-rays, and microwave waves.

Question 4

Energy budget

Answer 4

balance of energy that the earth absorbs and emits (back into space).

Question 5

Thermohaline circulation

Answer 5

movement of ocean currents due to changes in temperatures and salinity (amount of salt dissolved in the water)

Question 6

Concentration

Answer 6

amount of substance per defined space

Question 7

Anthropogenic greenhouse effect

Answer 7

Human actions causing greenhouse gases to be emitted into the atmosphere

Question 8

Greenhouse gases

Answer 8

A gas in the atmosphere that absorbs and emits infrared radiation.

Question 9

Ozone (layer)

Answer 9

thin part of Earth’s atmosphere that absorbs harmful ultraviolet light (radiation)

Question 10

CFCs

Answer 10

gases containing chlorine, fluoride, and carbon. they harm earth’s ozone layer.

Question 11

Global Warming Potential

Answer 11

A measure of how much heat a greenhouse gas will trap