English 7 : Nature Talk

Class 5 Semester 1 Tulips Oxford Education Press

In-Text Questions

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.

Let’s Look it Up (Page 47)

• 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

Comprehension Exercises (Page 48)

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.

Grammar Exercises (Pages 49 & 50)

• 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.

Vocabulary Exercises (Page 50)

• 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)