SO Unit 01 - Air Pollution - Online Class

Hello and welcome!

The IELTS Workshop

Sophomore course

Multiple Choice

1. Humans cause a significant amount of air pollution by burning ........... fuels.

• natural

• organic

• fossil

• renewable

Multiple Choice

2. What effect of air pollution causes millions of people to die each year?

• Global warming

• Acid rain

• Damage to the ozone layer

• Lung cancer, Heart disease, and other health problems

• All of them

Multiple Choice

3. What color of the Air Quality Index (AQI) tells us that the air outside is "unhealthy"?

• green

• yellow

• orange

• red

Multiple Choice

4. What greenhouse gas is released by the burning of fossil fuels? (Hint: Its chemical formula is CO2)

• sulfur dioxide

• carbon dioxide

• carbon monoxide

• phosphate

Multiple Choice

5. According to World Air Quality Index (AQI), what is the current rank of Hanoi in terms of air pollution?

• 37

• 79

• 91

• 16

Open Ended

1. What is the definition of air pollution?

Open Ended

2. What causes air pollution?

Air pollution

Definition:

When air consists of chemical which  are dangerous to and the environment  and human’s health.

Causes:

1. Natural sources:      volcanic eruption, wildfire, etc.

2. Human activities:      energy use, agriculture, etc.

Fill in the Blanks

flooding

/ ˈflʌdɪŋ /

n.

a great flowing or overflowing of water, especially over land which is not usually submerged

Fill in the Blanks

smog

/ smɔg /

n.

smoke or other atmospheric pollutants combined with fog in an unhealthy or irritating mixture

Fill in the Blanks

pollen

/ˈpɒlən/

n.

the fertilizing element of flowering plants, consisting of fine, powdery, yellowish grains or spores

Fill in the Blanks

mold

/moʊld/

n.

a growth of minute fungi forming on vegetable or animal matter, commonly as a downy or furry coating, and associated with decay or dampness

Fill in the Blanks

toxic

/ˈtɒksɪk/

adj.

of, pertaining to, affected with, or caused by a toxin or poison

exhaust

/ɪgˈzɔst/

n.

the escape of steam or gases from the cylinder of an engine

Multiple Choice

What is this called?

• respiratory system

• cardiovascular system

• nervous system

• digestive system

respiratory

/ˈrespərəˌtɔːri/

adj.

of, relating to, used in, or affecting respiration

Different types of human-made pollution

1. Green houses gasses

Root: Burning (1) fossil fuel

Example:

Carbon dioxide, methane, nitrous oxide, fluoridated gasses

Impact:

➔ trap (2) heat from the sun

➔ increase global temperatures

➔ worsen the air pollution

➔ smog, mold growth and (3) longer pollen season

Different types of human-made pollution

2. Smog

Root:

- Burning (4) fossil fuel like coal

- reaction between sunlight and car (5) exhaust, factory emission and organic compounds from gasoline, paints and cleaning solvent.

Impact:

➔ reduce (6) visibility

➔ harm plants

➔ irritate the eyes

➔ cause (7) respiratory problem

Different types of human-made pollution

3. Toxic pollutant

Root:

- gas, coal combustion

- waste incineration

- (8) burning of gasoline

Example: mercury, lead, dioxins, benzine

Impact:

➔ adverse (9) environmental effects

➔ serious (10) health problem especially cancer.

What can we do to prevent air pollution?

Hint: Try to eliminate the root causes of different types of air pollution

Presentation Structure

1. How many parts are there in a presentation?

2. How do you help the audience follow the presentation?

Open Ended

In the introduction of the presentation, what kind of information are needed?

Open Ended

What are the two main types of information in the Body of the presentation?

Open Ended

When you are concluding the presentation, what should you say?

Open Ended

How do you make sure the audience understand which aspect of the presentation you are talking about?

Signaling languages in a Presentation

• Moving on to the next, SV.

• That brings us to the next issue.

• You can use First, Next, Then, etc. at the beginning of a new idea, but you shouldn't use it to begin a section in your presentation.