Chapter 3 - Lesson 3 Volcanic Eruptions

Question 1

Pele is the fire goddess of:

Accepted Answer

volcanoes

Question 2

A pipe is a long tube through which magma moves from the magma chamber to the Earth's surface-

Accepted Answer

TRUE

Question 3

What is trapped in magma that pushes the magma from the magma chamber up the pipe?

Accepted Answer

gasses

Question 4

Pebble sized particles from an explosive eruptions are called:

Accepted Answer

cinders

Question 5

The three stages of volcanic activity are:

Accepted Answer

extinct, dormant, active

Question 6

Scientist use this to monitor any changes in elevations around a volcano-

Accepted Answer

tiltmeter

Question 7

Whether an eruption is quiet or explosive depends on the magma's -

Accepted Answer

silica content & viscosity

Question 8

A volcano forms where magma breaks through Earth's crust and lava flows over the surface-

Accepted Answer

TRUE

Question 9

Beneath a volcano, magma collects in a pocket called:

Accepted Answer

magma chamber

Question 10

The Hawaiian Islands were formed from explosive eruptions-

Accepted Answer

FALSE

Question 11

The expulsion of ash, cinders, bombs, and gases during an explosive volcanic eruptions is :

Accepted Answer

pyroclastic flow

Question 12

The area covered by lava as it pours out of a volcano's vent is a:

Accepted Answer

lava flow

Question 13

Small earthquakes may occur around an volcano before it erupts-

Accepted Answer

TRUE

Question 14

Are you ready for the quiz?

Accepted Answer

YES

Question 15

Geologist have had success in predicting some volcanic eruptions-

Accepted Answer

TRUE

Question 16

The largest piece of lava fragments from a pyroclastic flow are:

Accepted Answer

bombs

Question 17

Volcanoes can be destructive and constructive -

Accepted Answer

TRUE

Question 18

In what year did Mt. St. Helen's erupt?

Accepted Answer

1980

Question 19

Lava begins as magma, which usually forms in the:

Accepted Answer

asthenosphere

Question 20

Pumice and obsidian both form from slow cooling lava-

Accepted Answer

FALSE

Question 21

A volcano will erupt explosively is it is high in :

Accepted Answer

viscosity

Question 22

A bowl shaped area that forms around the volcano's central opening is a:

Accepted Answer

crater

Question 23

Liquid lava is less dense than the solid material around it in the volcano:

Accepted Answer

FALSE

Chapter 3 - Lesson 3 Volcanic Eruptions

Questions 23

Chapter 3 - Lesson 3 Volcanic Eruptions

Questions 23