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
$. %rought: a prolonged period of a&normally lo'
rainfall, leading to a shortage of 'ater
4. Glo&al 'arming: (he 'ay average temperatures
around the 'orld are rising). Climate change: (he average 'eather in a place
ho' the 'eather is usually there*. Greenhouse gases: Gases that trap heat around
the earth+. ustaina&le: Can &e carried on 'ithout harming
the environment economy or peoples uality of
life. %eforestation: Cutting do'n forests/. Ethanol: An alcohol made out of plants it &urs
'ell so is used as a fuel10. Acid rain: ain that has acidic gases in it
dissolved it can 2ill 3sh and plants11. "ossil fuels: Coal, oil and natural gas1!. iomes: very large ecosystems
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5g.: )4-))
4 Eamples of di6erent ecosystems:
1. 7ot dessert: An area 'ith less than !)cm of rain
a year!. %eciduous forest: is in the climate region 'ith
'arm summers, mild 'inters, and rain all year$. (ropical rainforest: "orests occurring in tropical
regions 'ith heavy rainfall
4. (undra: "lat treeless in the arctic region
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(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
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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:
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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
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