Trang 1 Lesson 7: Looking backUnit 10:Energy sources Trang 2 Types of energy sources: solar energy, wind energy, fossil energy, hydro energy, nuclear energy, renewable energy, non – ren
Trang 1Lesson 7: Looking back
Unit 10:
Energy sources
7th grade
Trang 2Types of energy sources: solar
energy, wind energy, fossil energy, hydro energy, nuclear energy,
renewable energy, non – renewable energy
Vocabula
ry
Trang 3on
Stress in three – syllable words:
Trang 4AR
Statement S + am/is/are + V-ing
Negative S + am/is/are + not + V-ing
Question Y/N question: Am/is/are + S + V-ing?
Wh- question: Wh- + am/is/are (not) + S + V-ing?
We use the present continuous to express:
- an action happening now or at the moment of speaking
Example: The students are doing a project in the classroom now.
- an action around now but not necessarily at the moment of speaking
Example: Scientists are looking for a new energy source to replace coal.
We can use the words or phrases: now, right now, at the moment, today, nowadays, this week / month , etc with the present continuous
Trang 50 1
VOCABULARY
REVIEW
Trang 6Ex 1: Match the adjectives in A with the nouns in B to make phrases.
1 solar
2 hot
3 electrical
4 renewable
5 low
a water
b energy sources
c energy light bulbs
d appliances
e energy
solar energy: năng lượng mặt trời
hot water: nước nóng
electrical appliances: thiết bị điện
renewable energy sources: năng lượng tái sinh
low energy light bulbs: bóng đèn năng lượng thấp
Trang 7Ex 1: Match the adjectives in A with the nouns in B to make phrases.
1 solar
2 hot
3 electrical
4 renewable
5 low
a water
b energy sources
c energy light bulbs
d appliances
mặt trời
solar energy: năng lượng mặt trời
hot water: nước nóng
electrical appliances: thiết bị điện
renewable energy sources: năng lượng tái sinh
low energy light bulbs: bóng đèn năng lượng thấp
Trang 8Ex 1: Match the adjectives in A with the nouns in B to make phrases.
1 solar
2 hot
3 electrical
4 renewable
5 low
c energy light bulbs
d appliances
mặt trời hot water: nước nóng
solar energy: năng lượng mặt trời
hot water: nước nóng
electrical appliances: thiết bị điện
renewable energy sources: năng lượng tái sinh
low energy light bulbs: bóng đèn năng lượng thấp
Trang 9Ex 1: Match the adjectives in A with the nouns in B to make phrases.
1 solar
2 hot
3 electrical
4 renewable
5 low
c energy light bulbs
d appliances
mặt trời hot water: nước nóng
electrical appliances: thiết bị điện
solar energy: năng lượng mặt trời
hot water: nước nóng
electrical appliances: thiết bị điện
renewable energy sources: năng lượng tái sinh
low energy light bulbs: bóng đèn năng lượng thấp
Trang 10Ex 1: Match the adjectives in A with the nouns in B to make phrases.
1 solar
2 hot
3 electrical
4 renewable
5 low
a water
b energy sources
c energy light bulbs
d appliances
mặt trời hot water: nước nóng
electrical appliances: thiết bị điện
solar energy: năng lượng mặt trời
hot water: nước nóng
electrical appliances: thiết bị điện
renewable energy sources: năng lượng tái sinh
low energy light bulbs: bóng đèn năng lượng thấp
Trang 11Ex 1: Match the adjectives in A with the nouns in B to make phrases.
1 solar
2 hot
3 electrical
4 renewable
5 low
a water
c energy light bulbs
d appliances
mặt trời hot water: nước nóng
electrical appliances: thiết bị điện
renewable energy sources: năng lượng tái sinh
low energy light bulbs: bóng đèn năng lượng thấp
b energy sources
Trang 12Ex 2: Complete the sentences, using the phrases in 1.
solar energy: năng lượng mặt trời
hot water: nước nóng
electrical appliances: thiết bị điện
renewable energy sources: năng lượng tái sinh
low energy light bulbs: bóng đèn năng lượng thấp
1 We should use low energy light bulbs in our homes to save
energy.
2 Do they always turn off the electrical appliances before
leaving the room?
3 We can protect the environment by using renewable energy
sources
4 When energy comes from the sun, we call it solar energy
5 She has hot water day and night because she has solar
panels on the roof of her house.
solar energy hot water applianceselectrical renewable energy sources low energy light bulbs
Trang 13GRAMM AR
0
2.
Trang 14Ex 3: Complete the sentences by using the correct form of the present
continuous or present simple of the verbs in brackets.
1 Look! It (rain) is raining heavily.
2 Normally they (start) start school at eight o’clock
in the morning.
3 He hasn’t got a bike at the moment, so he (walk)
is walking to school this week.
4 He always (do) does his homework in the evening.
5 I’m afraid I have no time to help just now I (write)
am writing an essay.
The present continuous:
- an action happening now or at the moment of speaking.
- an action around now but not necessarily at the moment of speaking.
S + am/is/are + V-ing
The present simple:
- something that is a general truth.
- something that happens regularly in the present.
- timetables or programmes.
S + V(s/es)
Trang 15Ex 4: Find ONE mistake in each sentence and correct it.
1 The students do the project in Unit 10 now
2 At the moment, the teacher is explain how solar energy works
3 Nowadays, people in Africa is not using energy from natural gas
4 They are use wind energy instead of coal.
5 We look for a cheap, clean and effective source of energy now.
do → are doing explain → explaining
is → are use → using look → are looking
Dấu hiệu nhận biết của thì hiện tại tiếp diễn:
now, right now, at the moment, today,
nowadays, this week / month
Công thức của thì hiện tại tiếp diễn:
S + am/is/are + V-ing
“people in Africa” là số nhiều → “are”Công thức của thì hiện tại tiếp diễn:
S + am/is/are + V-ing
Dấu hiệu nhận biết của thì hiện tại tiếp diễn:
now, right now, at the moment, today,
nowadays, this week / month
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