北师大版（2019）必修三 Unit 8 Green living Viewing Workshop 课件（18张PPT）

(共18张PPT)
To discuss solar energy in daily life and how solar energy changes into other forms of energy
To watch and understand a video on the lesson topic
To extract specific details from a video
To research ways we can use solar energy
Where do we use solar energy in daily life This video presents how solar energy changes into other forms of energy.
What do you know about solar energy Discuss your ideas in pairs and see if you can answer the questions.
1. What is solar energy
Energy that comes from the Sun.
2. What do we use solar energy for
As heat for making hot water, heating buildings and cooking. To generate electricity with solar cells. To take the salt away from sea water. For drying clothes and towels.
3. What form of energy can solar energy change into
Light energy and heat energy.
Note-taking Skills
Predicting
Predict what is expected to write down.
Noting
Completing
Note down information by using abbreviation.
Complete the notes.
Watch the plete the information.
1. Solar energy is energy that __________________ and it is what makes you feel ______________.
2. Solar energy is what causes solor panels to turn sunlight into _________.
3. Solar energy is what sets a piece of paper _______ under a magnifying glass.
4. We see solar energy as _______ and we feel solar energy as ________.
comes from the Sun
hot in summer
electricity
on fire
light
heat
solar panel
magnifying glass
windmill
wind turbine
What can solar energy do to wind and plants Watch the video and choose the correct information to complete the diagram.
make plants grow
power windmills
grind grain
help generate electricity
pump water
move sailboats
give the cow energy
Chemical Energy
Mechanical Energy
power windmills grind grains pump water
move sailboats help generate electricity
give energy to animals
make plants grow
power windmills
grind grain
help generate electricity
pump water
move sailboats
give the cow energy
How does solar energy cause matter on Earth to change into other forms Watch the video again. Complete the flow chart.
ice
water
air
clouds
the Earth
water
1. Search online and find ways we can use solar energy. Discuss your ideas in small groups.
2. Can we mainly rely on solar and wind energy since both of them are clean energy Why
1. Write down a full report of solar energy, covering its strengths and weaknesses.
2. Watch one of the related videos, use mind map to draw the structure and write a summary.