Sec 1 geog unit 1 lesson 2
Transcript of Sec 1 geog unit 1 lesson 2
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Chong Boon Secondary School Geography Unit Lower Secondary
Sec 1 Unit 1 Lesson 2What do geographers study?
2016
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Unit Objectives
At the end of this unit you will be able to:› Identify the key concept in Physical Geography
› Identify the key concepts in Human Geography
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Geographers study 2 aspects
Physical Geography Human Geography
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Physical Geography
4 Spheres1.Atmosphere2.Biosphere3.Hydrosphere4.Lithosphere
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Atmosphere
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Atmosphere Layer of air above the
ground. 15km above the surface. Weather elements occur here
› Temperature, rainfall, humidity, winds.
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Biosphere
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Biosphere All life on earth Important part of the oxygen
cycle Interaction between humans
and the rest of the biosphere has severe effects on the earth.
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Lithosphere
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Lithosphere Outermost solid crust of the
Earth. The surface layer of the earth
› Including the seafloor Earthquakes occur due to
lithosphere movement Interaction of humans with the
lithosphere in fossil fuel excavation.
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Hydrosphere
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Hydrosphere All water on earth.
› Oceans, Seas, Reservoirs, rivers, wetlands, ice sheets, underground water, moisture in air.
Water covers 70% of earth Study water movement Study the effect of hydrosphere on
humans
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Human Geography
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Human Geography How and where humans
live. Four key components
1.Population2.Settlements3.Development4.Culture
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Population
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Population The total number of people
living in a place. Current global population is over
7 billion› China and India have over 2.5
billion humans combined Population increase leads to
greater need for resources.
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Settlements Places where people live, work
and carry out activities.› Villages, towns, cities.
Type of work available affects size of settlement.
The way that settlement grows is mostly a result of the economic factors.
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Development Use of resources (natural and
human) to achieve a higher standard of living.
Developed Countries (DCs)› USA, Switzerland, Japan, Singapore
Less Developed Countries (LDCs)› Laos, Democratic Republic of
Congo,
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Culture The way people live, including
their economic activities, traditional beliefs and religious practices.
Culture can be region specific, across national boundaries.
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Review What are the components of Physical Geography?
What are the components of Human Geography?
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Next Lesson
Read pg 11 to 17 of the textbook.