Quaking Earth, Racing Waves

Front

What does it mean to spread out in waves or rays?

Back

Radiate

Front

What is the purpose of the selection about earthquakes and tsunamis?

Back

To help the reader understand what causes a tsunami and how to prepare for one.

Front

What does imagery in writing help illustrate?

Back

Imagery helps illustrate concepts, such as how coral can be shaped like a doughnut after repeated rise and fall of the ocean floor.

Front

What term describes the violent movement of the earthquake that pushes the ground upward?

Back

Thrust

Front

What evidence supports the fact that Tello Island was sinking?

Back

Wells were full of salty seawater.

Front

What is a tsunami?

Back

A tsunami is a series of ocean waves caused by any large and sudden disturbance of the sea, often due to earthquakes.

Front

What is the main cause of earthquakes?

Back

Earthquakes are mainly caused by the movement of tectonic plates beneath the Earth's surface.

Front

What is the difference between an earthquake and a tsunami?

Back

An earthquake is a shaking of the ground caused by the movement of tectonic plates, while a tsunami is a series of waves caused by the displacement of water, often due to an earthquake.

Front

What does it mean for an island to sink?

Back

It means that the land level is decreasing, often due to geological processes or rising sea levels.

Front

What is the role of coral reefs in coastal ecosystems?

Back

Coral reefs provide habitat for marine life, protect coastlines from erosion, and support biodiversity.