4. Energy for the Future Solar Energy: past, present, future
Solar backpack
Solar backpacks / solar cell
Solar heater
Solar cooker
Archimedes
Comprehension Check Question p
1.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, etc. 요시모토 "blank"
A boat shaped like this is popular in recreational sports - "blank" boat
60p 1. Three Canadians invented the solar cell in 1953.
2. At first, solar cells were bigger and heavier than now. 60p
3. A lot of scientists think that the future of solar energy is bright. 61p
4. Solar backpacks do not need batteries. 60p
5. Why was the solar cell a great invention? ( 영어로 ) 60p
6. Write 2 good things of solar energy. ( 한글로 ) 61p
Robert is a 35-year-old businessman. He lives in New York City. Robert is a 35-year-old businessman. He lives in New York City. who
convenient easy and quick to use
convenien ce store convenien t
businessman
protect …(from) make sure that somebody or something is not harmed
things relating to sun solar
Electricity A form of energy / it is used for heating and lighting
mirror a piece of flat glass that reflects images
battery small devices that provide the power for electrical items
device A piece of equipment that is designed to do a particular job
Sunlight the light that comes from the sun during the day.
burn Something is on fire.
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 it is finished or used up
bright Shining strongly
directly
Run out sheep expensive convenience store ship convenient cell burn mirror protect indirectly sunlight run out solar hit daytime battery cheap run of directly bright dark chip lunar night heater