Water and Carbon Flashcards
1
Q
What are inputs?
A
- Energy that enters a system
2
Q
What are outputs?
A
- Energy that leaves a system
3
Q
What are stores?
A
- Energy that builds up in a system
4
Q
What are transfers?
A
- The movement of energy between systems.
5
Q
What are open systems?
A
- Where matter/energy can both enter and leave a system.
6
Q
What are closed systems?
A
- When matter cannot enter or leave a system. (ONLY ENERGY)
7
Q
What is positive feedback?
A
- The amplification of the change in inputs or outputs (Increasing the effects of change)
8
Q
What is negative feedback?
A
- Counteracting the effect of the change.
9
Q
What is the cryosphere?
A
- The earth’s frozen parts
10
Q
What is the hydrosphere?
A
- The Earth’s water storage
11
Q
What is the lithosphere?
A
- The Earth’s rocks underneath the surface.
12
Q
What is the biosphere?
A
- All of the Earth’s living organisms.
13
Q
What percentage of water is available for human use?
A
- 1%
14
Q
What type of system is the water cycle?
A
- A closed system
15
Q
What is evaporation?
A
- The change of water from liquid state into gas
16
Q
What factor may increase the rate of evaporation?
A
- The presence of solar radiation.
17
Q
What is condensation?
A
- Condensation occurs when water vapour turns into liquid.
18
Q
What factor may increase the rate of condensation?
A
- Depends on the amount of water vapour and the temperature of the surroundings.
19
Q
What is precipitation?
A
- The main flow of water from atmosphere to the ground.
20
Q
A
