4. Energy for the Future Solar Energy: past, present, future
Solar backpack
Solar backpacks / solar cell
Solar heater
Solar cooker
Archimedes
Comprehension Check Question 10 58-59p
Robert Harrison went to L.A. by train two months ago.
2. Robert Harrison went to L.A with a solar backpack.
3. The solar backpack changes sunlight from electricity.
4. A solar heater was invented before Archimedes used solar energy.
5. There was not a solar cooker in the 1700s.
6. Robert couldn’t finish the report because of sunlight.
7. When a solar heater and cooker were invented, many people bought them.
8. When was the solar heater was invented? (영어 단답형)
9. Why was a solar cooker not popular? (영어 문장으로)
10. What did Archimedes do with mirrors? (한글로)
POP Quiz
A small country in Central or South America that relies on the export of fruit. - "blank" Republic
The female Japanese author of <N. P>, <키친> etc The female Japanese author of <N.P>, <키친> etc. 요시모토 "blank"
A boat shaped like this is popular in recreational sports - "blank" boat
1. Three Canadians invented the solar cell in 1953. 60p 1. Three Canadians invented the solar cell in 1953.
60p 2. At first, solar cells were bigger and heavier than now.
61p 3. A lot of scientists think that the future of solar energy is bright.
60p 4. Solar backpacks do not need batteries.
60p 5. Why was the solar cell a great invention? (영어로)
61p 6. Write 2 good things of solar energy. (한글로)
Robert is a 35-year-old businessman. He lives in New York City. who
easy and quick to use convenient
convenient convenience store
businessman
protect …(from) make sure that somebody or something is not harmed
using solar energy solar
electricity
a piece of flat glass that reflects images mirror
battery
device A piece of equipment that is designed to do a particular job
sunlight
burn
ship A large boat that carries people or goods
heater a machine for making air warmer
invent to produce or design something that has not existed before
daytime vs.
Expensive < ---- > cheap high in price
hit
cell a device for producing an electric current(전류)
run out
bright Shining strongly
directly