Natural Disasters

Front

What do the lines on a map that show where tectonic plates meet represent?

Back

Plate boundaries

Front

What is the name of the molten rock inside a volcano before it erupts?

Back

Magma

Front

What natural disaster is caused by the movement of tectonic plates under the ocean?

Back

Tsunami

Front

Why do many volcanoes and earthquakes occur at plate boundaries?

Back

Because plates move and shift.

Front

What instrument is used to measure the size of an earthquake?

Back

Seismograph

Front

What is the term for the outer layer of the Earth where tectonic plates are found?

Back

Crust

Front

What do we call the sudden shaking of the ground caused by the movement of tectonic plates?

Back

Earthquake

Front

What is the molten rock that flows out of a volcano during an eruption called?

Back

Lava

Front

What is the name of the large ocean wave caused by underwater earthquakes?

Back

Tsunami

Front

What is the process called when tectonic plates push against each other?

Back

Subduction