Uploaded by Nicola McDonald

Igneous Rocks Worksheet

Name __________________
Date ___________________
Igneous Rocks
1)
In your own words describe one way magma and lava are the same. Then explain
one way they are different from each other.
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____________________________________________________________
2)
In your own words describe what an igneous rock is.
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____________________________________________________________
Fill out the table below.
Type of
Igneous Rock
Intrusive
Igneous Rock
Extrusive
Igneous Rock
Does the rock
form above or
below the
earth’s
surface?
Does the rock
form from lava
or magma?
At what speed
does the rock
cool?
What size
crystals does
the rock have?
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3)
4)
Fill out the table below.
Igneous Rock
Is it an intrusive or extrusive
igneous rock?
Describe what the rock looks like
and feels like.
Granite
Pumice
Obsidian
5)
What are two ways igneous rocks can be used?
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___________________________________________________________
CRITICAL THINKING QUESTION
6)
Use your knowledge from reading this lesson to answer the following question.
A volcano sends lava high into the air. What type of igneous rock will form?
Intrusive or extrusive? Explain how you know.
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____________________________________________________________
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