Igneous Rocks

Question 1

Fill in the blanks to complete each statement about igneous rock formation. rocks form when cools below Earth’s surface. rocks form when cools on Earth’s surface.

Revolt · Accepted Answer

Part 1: Intrusive; Part 2: magma; Part 3: Extrusive; Part 4: lava

Question 2

⇒ extrusive

Revolt · Accepted Answer

138073

Question 3

⇒ intrusive

Revolt · Accepted Answer

138074

Question 4

Which characteristics of rocks are used in classification? Check all that apply.

Revolt · Accepted Answer

origin; texture; composition

Question 5

Which characteristics would one expect to find when studying the cooled lava?

Revolt · Accepted Answer

small crystals and fine texture

Question 6

Which characteristics describe this rock sample? Check all that apply.

Revolt · Accepted Answer

large crystals; coarse texture; evidence of slow cooling

Question 7

Which characteristics describe this rock sample? Check all that apply.

Revolt · Accepted Answer

evidence of rapid cooling; small crystals; smooth texture

Igneous Rocks Answers

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