Free Printable Volcanic Eruption

1.

1. What does not come out of volcanoes?

a)

a. ash

b)

b. chocolate

c)

c. lava

d)

d. rock

2.

2. Before lava reaches the surface it is called ______.

a)

a. liquid fire

b)

b. magma

c)

c. pyroclastic material

d)

d. volcanic ash

3.

3. A weak spot in the crust where molten material, or magma comes to the surface.

a)

a. lava

b)

b. lithosphere

c)

c. magma

d)

d. volcano

4.

4. A destructive mass of very hot ash, lava fragments, and gases ejected from a volcano.

a)

a. ash cloud

b)

b. hot spots

c)

c. pyroclastic flow

d)

d. ring of fire

5.

5. What are some problems that volcanic eruptions cause?

a)

a. earthquakes

b)

b. floods

c)

c. mudslides

d)

d. all of the above

6.

6. Some benefits of volcanic eruptions include____.

a)

a. fertilized soil

b)

b. mudslides

c)

c. new land formation

d)

d. all of the above

7.

7. Over time, as a volcano continues to erupt, it will get____.

a)

a. bigger

b)

b. cold

c)

c. hungry

d)

d. smaller

8.

8. Large projectiles thrown through the air during an eruption are called ___.

a)

a. hot spot

b)

b. lava

c)

c. magma chamber

d)

d. volcanic bombs

9.

9. Which of the following factors helps determine whether a volcanic eruption will be violent or relatively quiet?

a)

a. amount of dissolved gases

b)

b. composition of magma

c)

c. temperature of magma

d)

d. all of the above

10.

10. What is/are signs that a volcano may erupt soon?

a)

a. changes in the slope of the volcano

b)

b. different amounts of gas being produced

c)

c. earthquake activity in area

d)

d. all of the above

Volcanic Eruption

Total questions: 10

Worksheet time: 5mins

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