Geography Test 4

7/21/2019 Geography Test 4

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Christos | Geography |

Geography test 4

7/21/2019 Geography Test 4

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Vocabulary

1. Ecosystem: A natural unit made up of livingthings and their non-living environment, for

eample a forest a desert!. "amine: #ot having food

$. %rought: a prolonged period of a&normally lo'

rainfall, leading to a shortage of 'ater

4. Glo&al 'arming: (he 'ay average temperatures

around the 'orld are rising). Climate change: (he average 'eather in a place

ho' the 'eather is usually there*. Greenhouse gases: Gases that trap heat around

the earth+. ustaina&le: Can &e carried on 'ithout harming

the environment economy or peoples uality of

life. %eforestation: Cutting do'n forests/. Ethanol: An alcohol made out of plants it &urs

'ell so is used as a fuel10. Acid rain: ain that has acidic gases in it

dissolved it can 2ill 3sh and plants11. "ossil fuels: Coal, oil and natural gas1!. iomes: very large ecosystems

5AGE 1

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5g.: )4-))

4 Eamples of di6erent ecosystems:

1. 7ot dessert: An area 'ith less than !)cm of rain

a year!. %eciduous forest: is in the climate region 'ith

'arm summers, mild 'inters, and rain all year$. (ropical rainforest: "orests occurring in tropical

regions 'ith heavy rainfall

4. (undra: "lat treeless in the arctic region

5AGE !

 (he soil: 7o' thic2 and rich the soil is

depends partly on the climate. oc2

&rea2s do'n fast into the soil in a hot

  (he Climate:

Climate is the

driving forcein an

ecosystem.

 (he climate

a6ects8

 (he vegetation 9plants and trees: ;t

adapts to suit the climate and soil. ;t

gro's fast and thic2 in a hot damp sunny

climate, and slo'ly in a hot dry one

 (he animals: (hey adapt cope 'ith

the climate, and to feed on the

plants or each other

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5g. +!-+$

E6ects of glo&al 'arming:

1. Air around the earth gets hotter!. ainfall pattern change some places gets more

rain than &efore some less$. <ind pattern change 'hich are lin2ed to air

pressure, 'hich is lin2ed to temperature4. (he ice starts to melt 'hen the temperature

rises a&ove 0 degrees Celsius

5g. +4-+)

5AGE $

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So what causing global warming

Natural causes Human causes

he earth tilt and path around the

un can change

5ollution e.g. C=! emissions

atural changes in temperature %eforestation the cutting do'n

trees

he amount of energy the sunives out change

  ome heat escapes to the outer atmosphere

>>>>>>>>

 (hree eamples of greenhouse gases:

5AGE 4

Greenhouse

gases

Atmosphereun

ut some is trapped

in the greenhouse

gases

ome of the energy is a&sor&ed &y the

ground the other is re?ected

Earth

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1. @ethane C74: ;t is the natural gas!. #itrous =ide #!=: ;t is produced &y &acteria in

the soil. y adding fertilisers it is produced more

$. <ater vapour 7!=: ;s 'ater evaporating &ut no'it evaporates more than &efore &y the hot air of

glo&al 'arming.

5g. +*-++

7umans actions that cause glo&al 'arming:

1. <e &urn coal oil and gas in po'er stations so

'hen you open the light you &urn fossil fuels

indirectly!. At home 'e &urn gas for heat and coo2ing. And

some people li2e coal 3res$. <e &urn petrol and diesels in cars or &uses4. ome cars use a miture of petrol and ethanol

). <e &urn 2erosene in plane engines*. @any people in poorer countries use 'ood as a

fuel

Bocal actions glo&al e6ects:

o 'hen you leave the light on in your room or the

 ( on stand&y you may a6ecting someone far a'ayon the other side of the 'orld it an eample of local

actions glo&al e6ects. Dsually poorer countries cant

deal 'ith the disasters that can cause &illions

5AGE )