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Volcanic eruption

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

What do you call magma that reaches the surface?

a)

Llama

b)

Lava

c)

Magnum

d)

Magma

2.

What's the main cause in volcanic eruption?

a)

Increase in magmastatic pressure.

b)

Increase in sugar.

c)

Increase in potato pressure.

d)

Increase in water pressure.

3.

The force produced by the weight of the Earth’s crust pushing the magma downward. What force is called?

a)

Magmastatic Pressure

b)

Paricutin pressure

c)

Rock Strength

d)

Lithostatic pressure

4.

The rock layer can be weakened by what?

a)

Magma

b)

Tectonic activity

c)

Hydrothermal alteration

d)

Earthquake

5.

Which volcano is mentioned in this video?

a)

Paricutin

b)

Mount Fuji

c)

Doi Suthep

d)

Phu Thap Boek

6.

What is the unloading process?

a)

Landslides drop the lithostatic pressure causing the eruption.

b)

People punch on the mountain's face causing the eruption.

c)

Vladimir Putin swims in the lake causing the eruption.

d)

Someone rules Thailand by using military dictator causing the eruption.

7.

What is the cause of volcanic eruption from unloading process?

a)

Drought

b)

Tsunami

c)

Erosion and melting glaciers.

d)

Hurricane

8.

Which equipment can analyze gases from escaping magma.

a)

Thermometer

b)

Spectrometer

c)

Altimeter

d)

Hygrometer

9.

What is the process "Hydrothermal alteration" ?

a)

Turning hard stone into soft clay.

b)

An increase in magmastatic pressure.

c)

Turning lava into magma.

d)

Pushing magma upward through the crust.

10.

What do you call a volcano expert?

a)

Volcanologist

b)

Cosmologist

c)

Philologist

d)

Zoologist