Greenhouse Gases Flashcards
1
Q
What is the greenhouse effect?
A
The greenhouse effect is the natural way the earth is kept warm by gases that are spread across the earth’s atmosphere it also sustains life.
2
Q
Name the 6 greenhouse gases
A
- Water vapour = H²O
- Methane = CH⁴
- Ozone = O³
- Nitrogen dioxide = No² (lighting storms)
- Carbon dioxide = Co² (breathing)
- Sulphur dioxide = So² (volcanic eruption)
3
Q
What do the gases act like?
A
A blanket
They keep the heat in which cause the temperature to rise
4
Q
What temperature would the earth be if the greenhouse effect didn’t happen?
A
-18°C
5
Q
What is the enhanced greenhouse effect?
A
Humans producing more greenhouse gases
6
Q
What human activities influence enhanced greenhouse effect?
A
- Deforestation
- Farming
- Vehicles
- Mining
- Fossil fuels
- Power stations
7
Q
Describe how the greenhouse effect takes place.
A
- Incoming solar radiation warms the earth
- Some radiation is absorbed by the earth
- Some radiation is reflected by the atmosphere
- Some radiation cannot pass through the atmosphere and is reflected back to earth.
