Module 7: Magmatism

Question 1

Composed of semi-liquid hot molten rocks located beneath the Earth, specifically in the melted mantle rock and oceanic plate.

Answer 1

Magma

Question 2

This molten state, when solidifed, creates ____________ _______ found on the surface of the Earth

Answer 2

Igneous Rocks

Question 3

It is found on the surface of the Earth once the volcano erupts.

Answer 3

Lava

Question 4

It is a process under the Earth’s crust where formation and movement of magma occur.

Answer 4

Magmatism

Question 5

Magmatism happens in the lower part of the Earth’s crust and in the upper portion of the mantle, known as ________________.

Answer 5

Asthenosphere

Question 6

In this process, different minerals in rock melt at different temperature and pressure.

Answer 6

Partial Melting

Question 7

The process in which heat is transferred from hotter molten rocks to the Earth’s cold crust.

Answer 7

Heat Transfer

Question 8

In this process, mantle rocks go upward and pressure is reduced, which triggers the melting of magma.

Answer 8

Decompression Melting