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(共38張PPT)
Unit 8 Green Living
Viewing Workshop — Solar Energy
Shoots and Roots
--------By Jane Goodall
Whole Unit Concept
Yi Jiefang NPO Greenlife
“White bikes” plan in Amsterdam ,Netherland
Green Living
Whole Unit Concept
overpopulation
deforestation
Non-environmental behaviors
Greenhouse gases
Inproper waste disposal
Air pollution
Water pollution
Environmental problems:
Flooding
Droughts
Hurricanes
Heat waves
Free
Clean
No CO2
Solar Energy
Video 1:
Basic information & advantages of solar energy
Video2:
Current situation of energy using
& disadvantages of solar energy
A mind map for a better understanding
A full report of energy using
Aims of this lesson:
Video 1:
Brief Introduction:
How much do you know about it
1.What is solar energy
2.What do we use solar energy for
3.What forms of energy can solar energy change into
Video 1:
Read these sentences and make prediction:
Solar energy is energy that _______________ and it is what makes you feel ____________.
Solar energy is what causes solar panels to turn sunlight into ________.
Solar energy is what sets a piece of paper _______ under a magnifying glass.
We see solar energy as ____ and we feel solar energy as ____.
Part 1: Brief Introduction
Complete the Introduction:
Solar energy is energy that _______________ and it is what makes you feel ____________.
Solar energy is what causes solar panels to turn sunlight into ________.
Solar energy is what sets a piece of paper _______ under a magnifying glass.
We see solar energy as ____ and we feel solar energy as ____.
comes from the Sun
hot in summer
electricity
on fire
light
heat
What can solar energy do to wind ,plants and animals
Complete the diagram:
make plants grow
help generate electricity(發(fā)電）
power windmills（驅(qū)動風(fēng)車）
pump water（抽水）
move sailboats
give the cow energy
grind grain(碾碎谷物）
Part 2:What can solar energy do to wind
What can solar energy do to wind and plants
make plants grow
help generate electricity
power windmills（驅(qū)動風(fēng)車）
pump water（抽水）
move sailboats
give the cow energy
grind grain(碾碎谷物）
①③
⑤⑥④
Mechanical energy
Part 2: What can solar energy do to living things
What can solar energy do to wind and plants
make plants grow
help generate electricity
power windmills（驅(qū)動風(fēng)車）
pump water（抽水）
move sailboats
give the cow energy
grind grain(碾碎谷物）
①③
⑤⑥④
⑦
222
Mechanical energy
Chemical energy
Solar energy exists in different forms:
Watch Part 3 and complete a flow chart
Part 3: How does solar energy change into
different forms on the Earth
How does solar energy change into other forms
ice
water
air
clouds
Earth
water
Can we only rely on solar and wind energy since both of them are clean Why
Challenge yourself:
Video2:
Can we only rely on wind and solar energy
1.Complete the mind map
2.Share your ideas
(Alex Epstein: President in the center for industrial progress
Prager University)
Notes:
diluteness: 稀釋低效性 costly: 昂貴的
intermittency: 間歇性 unreliable: 不可靠的
fossil fuel: 化石燃料 energy poverty: 能源貧困
utility bills: (煤氣、水、電）賬單 backup: 解決方法
Video2:
Can we only rely on wind and solar energy
Presentation:
Just Imagine!
You are the mayor of our city. How will you spend money on energy Why (Using the mind map to help you)
100%
fossil fuel
100%
wind & solar

Different Opinions:
Homework:
There is no free lunch,
there is no free energy.
We should use them wisely and properly.
Summary:
Thank You !

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