Tsunamis

Right before a tsunami hits land, what effect causes the water to withdraw from shore?

• The gravitational pull effect

• The Coriolis effect

• A vacuum, where the water withdraws from the shore

• The wind effect

In 2004, a tsunami in the Indian Ocean killed over how many people?

• 230,000

• 100,000

• 50,000

• 10,000

Tags

NGSS.MS-ESS3-2

What causes tsunamis?

• Earthquakes under the sea

• Volcanic eruptions

• Landslides into the sea

• All of the above

Tags

NGSS.MS-ESS3-2

How fast can tsunami waves travel across the ocean?

• Up to 100 mph

• Up to 200 mph

• Up to 500 mph

• Up to 600 mph

Tags

NGSS.MS-PS3-1

What happens to tsunami waves when they reach shallow water?

• They slow down and increase in height.

• They speed up and decrease in height.

• They maintain the same speed and height.

• They disappear completely.

Which of the following is the most dangerous part of a tsunami?

• A) Its height

• B) Its wavelength

• C) Its speed

• D) Its color

Tags

NGSS.MS-ESS3-2

The origin of the word 'tsunami' is from which language?

• Japanese

• Chinese

• Hawaiian

• Greek

Tsunamis are often mistakenly called ______ waves.

• tidal
• gravity

• large

• tides

Tags

NGSS.MS-PS4-2

Which of the following is NOT a cause of tsunamis?

• Underwater volcanic eruption

• Wind

• Earthquake on the ocean's floor

• Underwater landslide

Tags

NGSS.MS-ESS3-2

As a tsunami gets closer to the shore, what happens to its waves?

• They increase in height and slow down.

• They decrease in height and speed up.

• They remain the same in height and speed.

• They disappear completely.

Tags

NGSS.MS-ESS3-2