Global warming

Question 1

Temperature of earth is a ———- between the ———- it —-from the —— and the —– it ———– back out into ———

Answer 1

balance , energy, gets, sun, energy, radiates , space

Question 2

What do gases in the atmosphere do ?

Answer 2

act like an insulating layer, absorb most of energy that would normally radiate out back into space and re-radiate it in all directions = increase temperature of planet

Question 3

What would happen in the gases did not act like an insulating layer and absorb energy ?

Answer 3

At night, there would be nothing to keep any energy in = we’d get very cold

Question 4

What are the green house gases?

Answer 4

several different gases in atmosphere which help to keep the energy in.

Question 5

Main green house gases we worry about is ….

Answer 5

carbon dioxide and methane

Question 6

why do we continue to worry about green house gases ?

Answer 6

levels of them are rising ( green house gases ) -> earth gradually heating up = global warming

Question 7

What’s global warming

Answer 7

type of climate change and causes other climate change

Question 8

Consequences of global warming

Answer 8

1) High temp -> sea water to expand and ice melt , causing sea levels to rise. Has risen a little and if it continues then bad news for animals and people living in low- lying places bcz risk of flood and loss of habitat

Distribution of wild animals and plant species can change as temp changes. Some animals may get more widely distributed,

Question 9

Another Consequence of global warming

Answer 9

2) Change in migration patterns - fly to where its warmer

4) Biodiversity could be reduced as rate of survival effected = extinct