7. Sınıf Pasifik Yayınları İngilizce Çalışma Kitabı 9. Ünite Environment Cevapları

7. Sınıf Pasifik Yayınları İngilizce Çalışma Kitabı 9. Ünite Environment Sayfa 50, 51, 52, 53 Etkinlik Soruları ve Cevapları

ENVIRONMENT

1. ETKİNLİK

Read the sentences and write “must” or “mustn’t”.

1. We must take çare of the environment.
2. We mustn’t throw rubbish in the Street.
3. We must use paper bags.
4. We must use recycled paper.
5. We mustn’t cut trees.
6. We mustn’t throw bottles, tyres or piastic into the lakes.
7. We must use energy carefully.

2. ETKİNLİK

What must/mustn’t we do to save the environment? Write.

• We mustn’t always drive our cars. We must use public transportation.

Cevap

We mustn’t pollute the air.

We mustn’t burn trees.

We mustn’t cut down trees.

3. ETKİNLİK

Complete the sentences using “because” or “so”.

1. Humans pollute the rivers, lakes and oceans  because they throw garbage.
2. Too many cars and factories pollute the air so people have health problems.
3. Polar bears are becoming extinct because there is global warming.
4. Trees give off oxygen so we must plant trees.
5. We can recycle glass, plastic, paper or metal so we must sort our rubbish out.
6. Don’t use fossil fuels because they pollute environment.

4. ETKİNLİK

Complete the sentences with the correct forms of the words Ur in parentheses.

1. If we don’t stop (not stop) cutting down so many trees,  we will endanger (endanger) our oxygen supply.
2. If the global temperature rises (rise), sea level will rise (rise) too.
3. People will not have (not have) drinking water one day if they do not use (not use) it more carefully.
4. If everybody continues (continue) to use aerosols, the hole in the ozone layer will get (get) bigger.
5. if you want (want) to help the planet, you must change (must-change) your habits.
6. If you plant (plant) trees, they will help (help) t0 save the environment.

5. ETKİNLİK

Match the sentences with the photos.

• Don’t burn trash. (8)
• Throw trash in the proper places. (5)
• Reduce, reuse and recycle. (6)
• Use energy-saving lightbulbs. (2)
• Keep the volüme of your music low. (1)
• Choose paper plates for your party, not plastic. (3)
• Don’t smoke. (4)
• Eat organic food. (7)

6. ETKİNLİK

Read and complete the dialogues.

• (take / trash / street / put / rubbish bin)

Cevap: Please take this trash on the street and put in the rubbish bin.

What should I do to recycle?

I want to plant some flowers. Can you help me?

Cevap:

First: You should sort your rubbish and keep it in different bins.

Yes, certainly. We need some seeds, soil and pots.

7. ETKİNLİK

Complete the paragraph with the words in the box in their correct forms.

• global warming – trap – so – heat – go – earth

The sunlight comes to the Earth and heats it. Some of the heat goes back, but carbon dioxide and other gases  trap some of the Earth’s heat. İt keeps the Earth warm so greenhouse effect happens. Greenhouse effect global warning causes.