Define the word 'percolate' as it is used in the video.

• To evaporate quickly

• To filter gradually through a porous surface or substance

• To solidify rapidly

• To mix thoroughly

According to one of the engineers, what was the root cause of the disaster?

• Earthquake

• Faulty construction materials

• Due to the unprecedented amount of rain, the clay under the houses softened, which led to it being unstable

• Human error

Why did they classify this as an engineering disaster and not a natural disaster?

• Because it was caused by an earthquake

• Because it was caused by a hurricane

• Because the proper engineering had been done prior to the construction, the houses wouldn’t have fallen

• Because it was caused by a volcanic eruption

What safeguards are in place now that will help avoid this from happening again?

• Building more houses

• They are going to anchor the slope into the bedrock, and create a water filtration system that will move excess water in the slope away

• Planting more trees

• Installing more streetlights

How long was the section that fell?

• 50 feet

• 98 feet

• 120 feet

• 75 feet

What were the findings from the administrative investigation?

• The structure had been deteriorating since June 2003.

• The structure was in perfect condition.

• The structure had been deteriorating since January 2005.

• The structure was newly built.

How much will it cost to fix Terminal 2E?

• $100 Million

• $150 Million

• $195 Million

• $250 Million

What is one way the disasters could have been prevented according to the text?

• By spending more time to ensure everything was good to go before building.

• By using cheaper materials.

• By building faster.

• By ignoring safety protocols.

What is one reason given for why people died in the disasters?

• Due to natural causes.

• Due to flawed planning.

• Due to a lack of workers.

• Due to perfect planning.

What is the main topic of the final reflection questions?

• Thoughts on engineering disasters.

• Thoughts on natural disasters.

• Thoughts on economic issues.

• Thoughts on political issues.