English 7 : Nature Talk

Class 5 Semester 1 Tulips Oxford Education Press

From Page 46:

1. Why couldn’t Sky see Earth and Water?
- Answer: Sky couldn’t see them because of the “huge clouds of smoke” in the air.
2. How can factories be eco-friendly?
- Answer: Factories can be eco-friendly by recycling their dirty wastewater through a cleaning system instead of pumping it directly into the sea.

From Page 47:

1. What happens during Earth Hour?
- Answer: During Earth Hour, people all over the world switch off their lights at the same time, once every year, to save electricity.
2. Mention one way in which people can responsibly treat (a) air (b) water (c) sky (d) earth.
- Answer:
  - (a) Air: Form a car pool to reduce vehicle smoke.
  - (b) Water: Turn off the tap while brushing teeth to stop water wastage.
  - (c) Sky: Plant more trees to help produce more rain.
  - (d) Earth: Stop using plastic bags and switch to baskets or cloth bags.

Refer to a dictionary/thesaurus and find out the antonyms for the following words.
- awful — wonderful / excellent
- dirty — clean
- increasing — decreasing / reducing
- grumbling — praising / complimenting
- wastage — conservation / saving
- annoying — pleasing / soothing
- gushing — trickling / dripping
- attend — miss / skip / absent

1. Choose the correct answer and fill in the blanks.

(a) Eco-friendly means (3) behaving in a way that does not harm the environment.
(b) Recycled water is clean enough to (2) drink.
(c) People who live in the same area and work in the same office should (3) travel together in the same car.

2. Read these lines and answer the following questions.

(a) ‘Instead, they recycle the water.’
- (1) Who recycles water?
  - Answer: Some eco-friendly factories recycle water.
- (2) How is water recycled?
  - Answer: It is pumped through a system that cleans it so well that it can be reused safely.
- (3) Why is it good to recycle water?
  - Answer: It prevents dirty wastewater from polluting the sea and saves clean water.
(b) ‘It’s their fault!’
- (1) Who said this?
  - Answer: Sky said this.
- (2) Whose fault is it?
  - Answer: It is the fault of human beings.
- (3) Why is it ‘their’ fault?
  - Answer: Because human activities cause pollution and global warming, which lead to extreme climate changes and unpredictable weather like unseasonal rain.

3. Answer the following questions.

(a) Who are the characters having a conversation here?
- Answer: Earth, Water, Sky, and Air.
(b) Why was Air scared to say where the unpolluted places could be found?
- Answer: Air knew that if humans found out about those places, they would go there, build huge hotels and malls, and eventually pollute them too.
(c) Why did Sky say that it would cry? What would its tears be?
- Answer: Sky said it would cry because of the huge amounts of smoke being blown into it. Its tears would be acid rain.
(d) What happens during Earth Hour?
- Answer: People worldwide switch off their lights at the same time once a year to save electricity.
(e) What did Sky want people to do to take care of the environment?
- Answer: Sky wanted people to plant more trees to help produce rain, and to treat the planet with love and respect.

The following sentences are wrong. Correct them using the present participle or the past participle. One has been done for you.
1. I am go to the market. $\rightarrow$ I am going to the market.
2. Simon is write. $\rightarrow$ Simon is writing.
3. What are you do? $\rightarrow$ What are you doing?
4. I have see the man. $\rightarrow$ I have seen the man.
5. They had learn French last year. $\rightarrow$ They had learnt (or learned) French last year.
6. They would have fly by now to Dubai. $\rightarrow$ They would have flown by now to Dubai.

Add a suitable suffix to each of these words and form new words. (Note: Multiple correct suffixes exist for these base words; here are common examples.)
1. electric $\rightarrow$ electrical (or electricity)
2. friend $\rightarrow$ friendly (or friendship)
3. dirt $\rightarrow$ dirty
4. refresh $\rightarrow$ refreshment (or refreshing)
5. dark $\rightarrow$ darkness
6. examine $\rightarrow$ examination (or examiner)