Plate tectonics (Earthquakes and Volcanoes), pg. 28 - 33

Question 1

Name the 3 types of volcanoes.

Answer 1

Active
Dormant
Extinct

Question 2

Where do most volcanoes occur?

Answer 2

Along the fault lines (tectonic plate boundaries), in the ‘Ring of Fire’ and in small belts or clumps.

Question 3

Define ‘Ring of Fire’

Answer 3

Ring around the Pacific Ocean where many volcanic eruptions and earthquakes occur.

Question 4

Define volcano

Answer 4

A cone-shaped mountain or hill formed by lava and ash

Question 5

Define earthquake

Answer 5

A sudden movement, or tremor, of the Earth’s crust

Question 6

Define seismograph

Answer 6

An instrument used to measure the strength of an earthquake

Question 7

Where do most earthquakes occur?

Answer 7

Along the fault lines (tectonic plate boundaries) and in the ‘Ring of Fire’.

Question 8

Define crust

Answer 8

The thin outer layer of the earth

Question 9

Define tectonic plates

Answer 9

Large sections of the earth’s crust.

Question 10

Define tectonic plate boundaries

Answer 10

The place where plates meet on the earth’s surface and where most of the world’s earthquakes and volcanic eruptions occur.