1. Unit 9 Environment and Ecology

2. The Earth is very sick  

3. Pollution

4. Air pollution factories give off toxic gases.
cars give off toxic smoke.

5. Water pollution
People throw garbage in oceans, rivers and lakes

6. Land pollution use organic fertilizers
people throw waste in the streets

7. Noise pollution

8. Acid rain - Rain mixed with acids of gases

9. Deforestation
logging(cutting down trees)
Fires

10. global warming or the greenhouse effect : high temperature because of pollution.

11. Ozone hole : a hole in the ozone layer caused by pollution.

12. Endangered species: Animals numbers are so small
Endangered species: Animals numbers are so small. They are at risk of extinction

13. Natural disasters
earthquakes
Volcanos
Tsunamis
Tornados

14. Drought : a long period when there is little or no rain

15. Desertification : land changes into desert

16. Recycling to change garbage and Rubbish into new products

17. Task 1 : match the words with their definitions
1. Garbage
a. a long period when there is little or no rain
2. Acid rain
b. a hole in the ozone layer cause by pollution.
3. Deforestation
c. Animals at risk of extinction.
4. Global warming
d. to change garbage and Rubbish into new products.
5.Ozone hole
e. Poisonous.
6. Endangered species
f. To produce.
7. Drought
g. Rain mixed with acids formed by gases released into the atmosphere
8. Recycling
h. high temperature
9. Toxic
i. destroying forests by cutting down trees or by fires
10. Give off
j. waste, trash or rubbish j g i h b c a d e f

18. Task 2. Fill in the blanks with the right word
Task 2. Fill in the blanks with the right word. Toxic/Garbage/ give off/endangered species/recycling
is when paper, glass, plastic, etc. is put through a process so that it can be used again. 2. The polar bear is one of the People should not throw In the street. 4.Factories and cars Toxic smokes.
5.The carbon dioxide(CO2) is a Gas.
Recycling
endangered species
garbage
Give off
toxic

19. UNIT 9 : Environment and ecology Tuesday, April 3rd , 2018 Vocabulary
Extinction of endangered species
Natural disasters (floods, tsunamis...etc)
Pollution (air, water ,land and noise)
Let’s save the environment from:
Drought
Deforestation
Ozone hole
Acid Rain
Global warming

20. word
definition
1. Garbage
a. waste, trash or rubbish
2. Acid rain
b. Rain mixed with acids formed by gases released into the atmosphere
3. Deforestation
c. destroying forests by cutting down trees or by fires
4. Global warming
d. Disorder of climate due to high temperature on earth.
5.Ozone hole
e. a hole in the ozone layer cause by pollution.
6. Endangered species
f. Animals at risk of extinction.
7. Drought
g. a long period when there is little or no rain
8. Recycling
h. to change garbage and Rubbish into new products.
9. Toxic
i. Poisonous.
10. Give off
j. To produce.

21. How can you save the environment?