The 3 Types of Rock. Let’s Practice…. 1. Is It a Rock? Write down the names of the following...
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Transcript of The 3 Types of Rock. Let’s Practice…. 1. Is It a Rock? Write down the names of the following...
The 3 Types of RockThe 3 Types of Rock
Let’s Practice….Let’s Practice….
1. Is It a Rock?• Write down the names of the following items that
you believe are rocks:
2. Explain your thinking. What “rule” or reasoning did you use to decide if something is a rock?
Cement block Piece of clay pot Coal
Dried mud Coral brick
Hardened lava Limestone A gravestone
Asphalt (road tar) Iron ore Marble statue
Glass Concrete granite
A
B
CG
H
E
I
DF
Igneous RockIgneous Rock• Rock that forms when hot, liquid rock, or
__________, cools and solidifies.
• Examples:
magma
Igneous Rock
Intrusive Igneous Rock
Extrusive Igneous Rock
Formed BELOW the Earth’s
surface
Formed ON the
Earth’s surface
Sedimentary Rock• Forms when layers of _________ are compacted
and cemented together.
– Most noticeable feature = layers, or _______.
• Examples:
strata
sediment
Metamorphic RockMetamorphic Rock
• “Metamorphism” means ____________.
• The structure, texture, or composition (what it’s made of) of the rock has changed.
to change
Textures of Metamorphic Rock
Foliated Nonfoliated
Mineral grains arranged in
bands or straight lines
Mineral grains NOT arranged in
bands or straight lines