Matter?
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Look at the magazine title quickly and try to find out : how is the text organized?
It has a title; a first paragraph that is in bold; the main text; Diagram(graph); some quotes.
solar panels
hydro-electric dam
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energy sources
Renewable
supplies of it never run out
non-renewable: one day they will run out.
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6. What are the “greenhouse gases”? In the atmosphere surrounding the earth there are gases, which are called “greenhouse gases”, including carbon dioxide, methane(甲烷, 沼气) and water vapor.
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2. Where does all this energy come from?
Wind power
a coal power station
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an oil
refinery
炼油厂
a nuclear power plant
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• Sun (solar energy)
• Water (hydro-electric power)
• Plant waste (biomass energy)
Fossil fuels
• Hot springs or geysers (geothermal energy)
化石燃料
• The sea (tidal energy)
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5. How does it work? The air inside is warm because the
glass traps the heat from the sun and keeps it from escaping. This makes the greenhouse heat up and so the plants can grow throughout the cold period.
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7. What do you think greenhouse gases do? They trap heat from the sun and therefore warm the earth.
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The Earth Is Becoming Warmer – But Does It
Unit 4 Global Warming
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1. What do we use energy for?
Light our cities Heat our buildings ---
Many things consume energy in our daily life.
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2. What are the names of the three scientists mentioned in the article? They are Dr. Janice Foster, Charles Keeling and George Hambley.
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4. What is the greenhouse made and used for?
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A greenhouse is made of glass and is used for growing plants, especially during cold weather.
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3. What are fossil fuels?
• Ancient animal and plant material below the surface of the earth with a high carbon content, such as coal, oil and natural gas, which can be burnt to produce energy. Also known as non-renewable energy because once they are used they have gone forever; they cannot be renewed.
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Fast Reading
Read the text fast and answer the questions
on page 27 Ex1
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1.Who wrote the magazine article? What is the name of the magazine? Sophie Armstrong wrote the magazine article. The name of the magazine is Earth Care.
Renewable or non-r√enewable?
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Ren√ewable or non-renewable?
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Non-renewable Renewable
• Coal • Oil • Natural gas • Uranium
• Wind (wind power)