7.3 AIR POLLUTION

7.3 AIR POLLUTION

by KASMAWATI Moe

7.3 Air Pollution

Define Air pollution and air pollutants

​Communicate about air pollutants and their causes

​Justify steps to prevent​ and control air pollution

​Solve problems on the adverse effects of air pollution

​Condition of Kuala Lumpur in April 2015

Multiple Choice

The phenomenon is known as?

• mist

• haze

• fog

• clouds

Multiple Choice

Air pollutants released directly into the air are called

• Primary air pollutants

• Secondary air pollutants

Multiple Choice

Air pollutants formed as a result of chemical reactions in the atmosphere are called

• Primary air pollutants

• Secondary air pollutants

Multiple Choice

Which of the following combine to form smog?

• Smoke and ozone

• Smog and rain

• Smoke and fog

Multiple Choice

Which of the following was the original cause for smog?

• Oil

• Gas

• Coal

• Tar

Multiple Choice

How would smog be classified?

• Primary air pollutant

• Secondary air pollutant

Multiple Choice

What government act reduced smog from Coal burning plants in the United States?

• Clean Air Act

• Montreal Protocol

• Paris Accord

Multiple Choice

Which of the following is mostly responsible for photochemical smog?

• Air conditioners

• Automobiles

• Furnaces

Multiple Choice

Which of the following contribute to the formation of photochemical smog?

• VOC's

• Nitrous Oxides

• Sunlight

• All of the previous

Multiple Choice

How is photochemical smog classified?

• Primary air pollutant

• Secondary air pollutant

Multiple Choice

What molecule is produced when nitrous oxides and VOC's react under sunlight?

• Oxygen

• Ozone

• Carbon Dioxide

Multiple Choice

How many oxygen atoms are in one ozone molecule?

• 1

• 2

• 3

• 4

Multiple Choice

When does ozone in the troposphere cause the most problems?

• On cloudy, winter days

• On sunny, summer days

• On cloudy summer days

Multiple Choice

How does ozone in the troposphere (ground level ozone) damage plants?

• It blocks the sunlight

• It sticks to the leaves of plants and poisons them.

• It is absorbed by the plants and slows down photosynthesis

Multiple Choice

How can we reduce ground level ozone?

• Using mass transit

• Riding bikes instead of driving, when possible

• Car pooling

• All of the above

Multiple Choice

When is ozone bad for human health?

• When it is in the stratosphere

• When it is in the troposphere

• When it is in the mesosphere

• When it is in the thermosphere

Multiple Choice

What causes haze in Malaysia

• exhaust from vehicles of Malaysia

• mass illegal burning in Indonesia

Multiple Choice

When is ozone good for human health?

• When it is in the troposphere

• When it is in the stratosphere

• When it is in the mesosphere

• When it is in the thermosphere

Multiple Choice

How does ozone in the stratosphere help humans?

• It blocks infrared radiation

• It blocks gamma radiation

• It blocks ultraviolet radiation

Multiple Choice

Which of the following is not blocked that well by ozone in the stratosphere?

• UVA

• UVB

• UVC

Multiple Choice

Which of the following molecules has been determined to contribute the hole in the ozone layer?

• Carbon dioxide CO2

• Chlorofluorocarbons CFC

• Nitrous Oxides NO

Multiple Choice

What impact does the hole in the ozone have on Earth?

• It leads to global climate change

• It kills trees and fish

• It increases the chances of skin cancer

How does air pollution affect me​?

​Should I care about the quality of air?

Open Ended

Name one air pollutants that you know

​where do the pollutants come from?

​

​http://www.apis.ac.uk/starters-guide-air-pollution-and-pollution-sources

Multiple Choice

Dust and soot come from sources as below except

• factories

• open burning

• nuclear power plant

• construction sites

Multiple Choice

Carbon monoxide is harmful when breathed because it displaces oxygen in the blood and deprives the heart, brain and other vital organs of oxygen. Where this  gas come from?

• exhaust of vehicles

• air-conditioners

• refrigrerators

Multiple Choice

What is the effect of carbon dioxide?

• acid rain

• greenhouse effect

• thinning of the ozone layer

Multiple Choice

What is the effect of nitrogen dioxide?

• acid rain

• greenhouse effect

• thinning of the ozone layer

Multiple Choice

What is the effect of chlorofluorocarbons (CFC)?

• acid rain

• greenhouse effect

• thinning of the ozone layer

​What could you do to control air pollution

​Yes, you!

Multiple Choice

Choose the suitable method(s) to prevent or control air pollution

• Fine those breaks the rules

• Educate people about the effect of air pollution 

• use science & technology

• All of the them

Open Ended

State the way to control the air pollution emitted from vehicles

Multiple Select

How does Science & Technology prevent air pollution?

• hybrid cars

• refrigerators with HCFC

• Chemical pesticides

• Chimneys with filters

Poll

What do you think?

• I need more practice on the topic: Air

• I'm ready for next the topic