Year 5 Moving People Quiz 1

What typically triggers tsunamis?

• Strong winds and storms

• Intense underwater activity like earthquakes or volcanic eruptions

• Large meteor impacts in the ocean

• Rapid changes in ocean temperature

What are the typical characteristics of tsunami waves?

• They are usually less than 10 meters tall and travel slowly.

• They are typically 100 kilometers long and can travel at the speed of a jet plane.

• They are short, choppy waves that break quickly near the shore.

• They are only dangerous in shallow coastal waters.

What is an early sign of a tsunami?

• The ocean water along the coast rapidly recedes, exposing the sea floor.

• Large numbers of fish jump out of the water onto the beach.

• The sky turns a dark, ominous color.

• A sudden, strong smell of sulfur fills the air.

What is a "tsunami wave train"?

• A single, extremely large wave that causes all the damage.

• A series of waves that follow each other, with varying time intervals and strengths.

• A phenomenon where waves travel in a perfectly straight line.

• A type of wave that only occurs in very deep ocean trenches.