Chapter 2: Tsunamis- Rare But Dangerous Quiz

What causes a tsunami?

• Underwater earthquakes

• Wind at the ocean's surface

• Underwater landslides

• Volcanic eruptions

What do most tsunamis look like?

• Wind-driven waves

• Fast-rising tide

• Surfing waves

• Flood

How do tsunami waves differ from wind-driven waves?

• Tsunami waves affect all of the water

• Tsunami waves are longer

• All of the above

• Tsunami waves are taller

In deep water, how do tsunami waves appear?

• Short and not very tall

• Long but not very tall

• Short and tall

• Long and tall

As tsunami waves approach the shore, what happens to them?

• They speed up and decrease in height

• They speed up and increase in height

• They slow down and decrease in height

• They slow down and increase in height

What makes tsunamis more dangerous than wind-driven waves?

• Tsunamis can quickly flood the land

• None of the above

• Tsunamis can cause a lot of damage and destruction

• Both A and B

What is the wavelength of a tsunami wave?

• 100 km or greater

• Less than 120 m

• None of the above

• Both A and B

What is the average wave height of a wind-driven ocean wave at the shore?

• Up to 3 m

• None of the above

• Up to 30 m

• Both A and B

What is the speed of a tsunami wave?

• None of the above

• Both A and B

• Up to 90 km/hr

• Up to 800 km/hr

What is the speed of a wind-driven ocean wave?

• None of the above

• Up to 800 km/hr

• Up to 90 km/hr

• Both A and B