Unit 7. Saving energy

Welcome to our class
Class 9b
Word quiz
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We use it to cook
We use it for our cars.
It is used to produce electricity.
People in Holand have used it to produce electricity for long.
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We can’t watch TV without it.
Unit 7. Saving energy
Lesson 2: Speak + listen
1. Speak
a) Make suggestions about how to save energy.
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- The faucet is flowing.
- The faucet is broken. It needs fixing.
Ex:
- I think we should turn off the faucet.
- I suggest fixing the faucet.
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- Gas fire.
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- I suggest taking a shower instead of a bath.
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b) Work in a group of four. Work out an action plan to save energy for your class.
Example:
A: I think we should take a shower instead of a bath to save energy.
B: That’s a good idea.
C: How about making posters on saving and hanging them around our school?
D: Great! Let’s do that.
- Solar energy
- Solar panel
- Solar panels are installed on the roof of a house to get solar energy.
- It is an effective source of power.
2. Listen.
a) True or false? Check the boxes and correct the false statements.
1. Solar energy can be cheap and clean.
2. Most of our electricity now comes from nuclear power.
3. The solar energy that gets to the Earth can not provide enough power for the world’s population.
4. Solar energy can be used on cloudy days.
5. All buildings in Sweden will be heated by solar energy in 2050.
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* Correct the false statements.
2. Most of our electricity now comes from the use of coal, gas, oil or nuclear power.
3. One percent ( 1%) of the solar energy that gets to the Earth can provide enough power for the world population.
5. All building in Sweden will be heated by solar energy in 2015
b) Listen again and fill in blank with one word you hear.
1. The sun can be an……………………….source of power.
2. Solar energy doesn’t cause……………………
3. A lot of ……………………….in the world are already using solar energy .
5. Solar panels are installed on the…………………. of a house to receive the energy from the sun.
6. We can save natural resources by using solar energy …………….of coal, gas and oil.
4. It is possible to ………………solar energy for a number of days.
effective
pollution
countries
store
roof
instead
Write posters on energy saving and hang them around our school and in your neighborhood.
Learn by heart the forms of suggestion.
Homework
Thank you for your attendance