Volcanic Formation and Eruptions

Volcanic Formation and Eruptions

Assessment

Interactive Video

Science, Geography, Other

6th - 7th Grade

Hard

Created by

Patricia Brown

FREE Resource

Magma forms beneath the Earth's crust in a magma chamber. As tectonic plates move, pressure builds, causing magma to erupt as lava. When lava cools, it forms a new crust layer. Repeated eruptions build up the crust, eventually forming a volcano.

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5 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the term for the space where magma collects beneath the Earth's surface?

Volcanic basin

Crust cavity

Lava pool

Magma chamber

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What causes magma to eventually erupt through the Earth's surface?

Evaporation of magma

Cooling of magma

Movement of tectonic plates

Decrease in pressure

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is magma called once it erupts onto the Earth's surface?

Molten rock

Lava

Basalt

Igneous fluid

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does lava contribute to the formation of a volcano?

By eroding the Earth's surface

By cooling and hardening to form layers

By mixing with ocean water

By evaporating into the atmosphere

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the result of repeated volcanic eruptions over time?

Development of a mountain

Erosion of the Earth's crust

Creation of a plateau

Formation of a valley