Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Geography - Yr 8 > Climate Change > Flashcards

Climate Change Flashcards

You may prefer our related Brainscape-certified flashcards:
U.S. Geography flashcards World Geography flashcards
1
Q

What has been the mean global air temprature over the past million years

A

13 degrees celcius

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

When was the last ice age

A

We are currently in an ice age

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

When did temperatures start to rapidly rise.

A

1900

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Are tempeature and CO2 concentration linked?

A

Yes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

how can you tellhpe old a tree is

A

A tree has rings, the amount of rings are the amound of years

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Name seven peices of evidence for climate change

A

Glacial retreat, glacial change, islands dissappearing, global warming, death of species, extreme weather and the declining arctic sea ice

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Are greenhouse gasesnaturally occuring

A

Yes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What is the greenhouse effect?

A

The warming of the atmosphere as gases such as CO2, CH4 and water vapour absorb heat enegey radiated from the earth

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

How much of the worlds atmosphere is taken up by carbon dioxide

A

0.04%

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What animal is a tonne of CO2 comparable to

A

An adult giraffe

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

How can we use ice cores as evidence for climate change?

A

By analysing how many bubbles are inside each layer

By measure the amounts of differen types of exygen atoms in the water

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What historical sources can we use to find out about climate change

A

Old photos, drawings, written records and idaries

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Which country emits the most greenhouse gases

A

China

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What percent of global emissions come from china

A

26.6%

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What percentage of global greenhouse gas emissions come from the top ten greehouse emitters?

A

60%

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What is the largest factor for greenhouse gas emissions?

A

Energy supply

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

What food has the largest climate impact?

A

Beef

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

How many tons of meat will have been eaten by 2050k

A

456 million tons

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Are there positives of climate change?

A

Yes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

How many days per month in summer could the temperature be above 25° if the global temperature rises by 4°

A

20 day

21
Q

How many days per month in summer could be rainy if the global temperature rises by 4°

A

5 days

22
Q

By 2050, in london, what is the mean predicted temperature change?

A

+2.5° celcius

23
Q

When was the wettest british winter?

A

December 2013 - February 2014

24
Q

What is the warmest brotish year?

A

2022

25
Q

Would icebergs or inland ice cause sea livels to rise?

A

Inland ice

26
Q

How many meters would the sea level rise if antarctica maelted?

A

61.1 meters

27
Q

What is the largest ice sheet on earth

A

Antractica

28
Q

How much has the sea level around the english channel risen in the past 100 years

A

12cm

29
Q

How does loss of tourism affect the maldives

A

They would lose 30% of the countries entire income as it is their largest industry

30
Q

How would disrupted fishing industry affect the maldives?

A

As fish are the maldives largest export

31
Q

How does loss of beaches affect the maldives?

A

As it exposes beaches to flooding and destroys habitats

32
Q

How does loss of soil affect the maldives?

A

Coastal floods could easily wash away the soil layer, preventing most plants from growing

33
Q

How many people in asia would be displaced by on metre of sea level rise?

A

100 milion people

34
Q

How many people in europe would be displaced by on metre of sea level rise?

A

14 million people

35
Q

How many people in affica would be displaced by on metre of sea level rise?

A

8 million people

36
Q

How many people in south america would be displaced by on metre of sea level rise?

A

8 million people

37
Q

How many people in north america would be displaced by on metre of sea level rise?

A

7 million people

38
Q

How much larger is londons ecological footprint compared to londons area

A

125 times the size

39
Q

Sustainable

A

long lasting, meeting the needs of the current population without comprising it for
the future

40
Q

How much less energy do bedzed homes use compared to regular homes?

A

81% less

41
Q

How much less energy do bedzed homes use compared to the average uk household

A

81% less energy

42
Q

How much less electricity do bedzed homes use compared to the average uk households?

A

45% less electricity

43
Q

How much less water do bedzed homes use compared to the average uk household

A

58% less

44
Q

How much insulation are in the walls of the bedzed homes.

A

300mm of insulation

45
Q

Renewable enrgy

A

Comes from sources that wont run out

46
Q

Non-renewable enegy

A

Comes from finite sources

47
Q

Solar energy

A

Energy from the sun is used to heat water and solar cookers or generate electricity through bettery cells

48
Q

Wond energy

A

turbines use the energy of the
wind to generate electricity, either on land (on
shore) or out to sea (off shore)

49
Q

Hydroelectric energy

A

HEP uses energy
from water. Water is trapped by a dam and is
pushed through tunnels where water spins
turbines to generate energy.

Geography - Yr 8 (2 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions