Earthquakes Wonders Unit 1 Expository Text

Front

What does the word 'altered' mean?

Back

changed

Front

What does the word 'collapse' mean?

Back

to fall down

Front

What does the word 'destruction' mean?

Back

the condition of being wrecked

Front

How are Earth’s crust and a jigsaw puzzle alike?

Back

They have many pieces that fit together.

Front

What does the word 'crisis' mean?

Back

a time of great difficulty

Front

What is the Earth's crust?

Back

The outermost layer of the Earth, made up of rocks and minerals.

Front

What causes earthquakes?

Back

The movement of tectonic plates beneath the Earth's surface.

Front

What is a tectonic plate?

Back

A large section of the Earth's crust that moves and interacts with other plates.

Front

What is the Richter scale?

Back

A scale used to measure the magnitude of earthquakes.

Front

What is an aftershock?

Back

A smaller earthquake that follows a larger earthquake.