The Greenhouse Effect Flashcards
1
Q
What is Greenhouse Gas Effect?
A
When certain gasses in atmosphere affect the aount of heat that is re-radiated from Earth’s surface back into space.
2
Q
Which gasses contribute to greenhouse gas effect generally?
A
CO2(g), CH4(g), oxides of nitrogen and CFCs
3
Q
Describe how greenhouse effect is increasing in our world
A
- CO2 sinks are reducing (less forests and phytoplankton)
- Grennhouses gasses released in atmosphere are increasing
3
Q
What reduced the amount of greenhouse gasses in atmosphere?
A
CO2 sinks - such as phytoplankton and forests
4
Q
Why are do some greenhouse gasses contribute more to this effect than others?
A
Some greenhouse gasses are better at trapping heat.
This is called Global Warming Potential
Eg: N2O is equivalent to 298 molecules of CO2
5
Q
Is water also considered a greenhouse gas?
A
For VCAA purposes, yes.
