S3_2.3 Common Hazards in Urban Neighbourhoods [Slides]

Poll

Identify the natural hazards.

• Drought

• Flood

• Fires from faulty applicances

• Traffic accidents

• Earthquake

Multiple Choice

Which of the following is an example of a man-made hazard?

• Earthquakes

• Volcanic eruptions

• Traffic hazards

• Tsunamis

Multiple Choice

Which of the following is NOT identified as a common hazard in urban neighborhoods?

• Fire hazards

• Air pollution hazards

• Traffic hazards

• Wild animal attacks

Multiple Select

Identify examples of social/communal premises.

Multiple Choice

What was the most common cause of fires in Singapore in 2021?

• Lightning strikes

• Unattended cooking

• Spontaneous combustion

• Wildfires

Draw

Circle the source of the fire.

Multiple Choice

What harmful effect can high levels of carbon monoxide released during a fire have on humans?

• It can cause headaches and dizziness.

• It can cause blindness.

• It can cause skin irritation.

• It can cause tooth decay

Multiple Choice

Apart from the destruction of properties, what other cost is associated with fire hazards?

• The cost of legal proceedings

• The cost of repairing and rebuilding properties

• The cost of relocating to a new neighborhood

• The cost of fireproofing properties

Match

Match the following which releases pollutants in the air:

• Burning vegetation

• Industrial emissions

• Motor emissions

Due to drier and hotter weather

Due to an increase in demand

Due to an increase in car ownership

• Due to drier and hotter weather

• Due to an increase in demand

• Due to an increase in car ownership

Open Ended

Why do you think air quality improved during the the COVID-19 "Circuit Breaker" period?

Multiple Choice

What is a common cause of air pollution in urban areas?

• Carbon sequestration

• Industrial and motor emissions

• Photosynthesis

• Wind erosion

Multiple Choice

The diameter of PM2.5 is larger than the diameter of a strand of hair.

• True

• False

Multiple Choice

Which pollutant is associated with causing asthma in children?

• Ozone

• Nitrogen dioxide

• Hydrogen

• Helium

Multiple Choice

What is a common cause of traffic hazards?

• Speeding

• Broken traffic lights

• Too many pedestrians

• Rain

Multiple Choice

Who are usually at high risk in traffic accidents?

• Young cyclists

• Elderly pedestrians and motorcyclists

• Teenage skateboarders

• Professional drivers