Igneous Rocks Introduction 2021

Multiple Select

Which are objects that made from rocks?

(You may choose several answers.)

• buildings

• monuments

• roads

• building materials

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Igneous Rocks

​Intrusive
Igneous
Rock

​12 questions related to Igneous rocks to follow

Multiple Choice

Where is magma located?

• above ground

• below ground

• in the stratosphere

• in the thermosphere

Multiple Choice

Which type of rock is formed from the solidification of magma or lava?

• igneous

• sedimentary

• metamorphic

• bioclastic

Multiple Choice

Describe the texture of the following igneous rock (grain size 1-10 mm).

• vesicular

• glassy

• fine

• coarse

Multiple Choice

All rocks are classified based upon

• the way they are formed

• the elements they contain

• the latitude and longitude where they are formed

• the layers that are present

Multiple Choice

Describe the environment of formation for the following igneous rock (grain size > 10 mm).

• intrusive

• extrusive

Multiple Choice

Describe the environment of formation for the following igneous rock.

• intrusive

• extrusive

Multiple Choice

Describe the rate of cooling for the following igneous rock (grain size 1-10 mm).

• slow cooling

• rapid cooling

Multiple Choice

Describe the environment of formation for the following igneous rock (grain size 1-10 mm).

• above ground

• below ground

• can’t tell by grain size

Multiple Select

What causes igneous rocks to form?

• pressure

• cooling magma

  and lava

• compaction

• cementation

​3 more questions…

Multiple Choice

Igneous rock that formed when magma hardened beneath the surface of Earth is called _?_ igneous rock.

• extrusive

• intrusive

Multiple Choice

Intrusive rocks that form below the Earth's surface have _?_ or a _?_ texture.

• small crystals, fine-grained

• large crystals, coarse grained

• small crystals, coarse-grained

• large crystals, fine-grained

Multiple Choice

Which of the following igneous rocks is this?

• obsidian

• granite

• scoria

• diorite