2-4 Igneous Rocks
Unit 2: Rocks and Minerals
October 30, 2011
Sanders
12:13 PM
Vocabulary
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extrusive:
intrusive rock:
lava:
magma:
March 16, 2016
Unit 2: Rocks and Minerals
12:13 PM
Earth’s Interior
 The Earth's temperature
becomes hotter as you dig into
it.
March 16, 2016
Unit 2: Rocks and Minerals
12:13 PM
Earth’s Interior
 The Earth's temperature
becomes hotter as you dig into
it.
 Farther in to the Earth, it gets
so hot that minerals melt.
March 16, 2016
Unit 2: Rocks and Minerals
12:13 PM
Magma
 Molten material
inside a volcano
is called magma.
March 16, 2016
Unit 2: Rocks and Minerals
12:13 PM
Magma
 Molten material
inside a volcano
is called magma.
March 16, 2016
Unit 2: Rocks and Minerals
12:13 PM
Magma
 Molten material
inside a volcano
is called magma.
 Minerals form
slowly here.
March 16, 2016
Unit 2: Rocks and Minerals
12:13 PM
Magma
 Molten material
inside a volcano
is called magma.
 Minerals form
slowly here.
 These are
called intrusive
rocks.
March 16, 2016
Unit 2: Rocks and Minerals
12:13 PM
Intrusive Rocks
 This molten
rock is called
magma.
March 16, 2016
Unit 2: Rocks and Minerals
12:13 PM
Intrusive Rocks
 This molten
rock is called
magma.
March 16, 2016
Unit 2: Rocks and Minerals
12:13 PM
Intrusive Rocks
 This molten
rock is called
magma.
 Magma is inside
of the volcano.
March 16, 2016
Unit 2: Rocks and Minerals
12:13 PM
Intrusive Rocks
 This molten
rock is called
magma.
 Magma is inside
of the volcano.
March 16, 2016
Unit 2: Rocks and Minerals
12:13 PM
Intrusive Rocks
 This molten
rock is called
magma.
 Magma is inside
of the volcano.
 Rocks that were
formed by magma
are called
intrusive rocks.
March 16, 2016
Unit 2: Rocks and Minerals
12:13 PM
Lava
 Molten material
that has risen
through the
Earth's surface
is called lava.
March 16, 2016
Unit 2: Rocks and Minerals
12:13 PM
Lava
 Molten material
that has risen
through the
Earth's surface
is called lava.
March 16, 2016
Unit 2: Rocks and Minerals
12:13 PM
Lava
 Molten material
that has risen
through the
Earth's surface
is called lava.
 This makes
extrusive rocks.
March 16, 2016
Unit 2: Rocks and Minerals
12:13 PM
Extrusive Rocks
 Lava cools
quickly upon
contact with air
or water.
March 16, 2016
Unit 2: Rocks and Minerals
12:13 PM
Extrusive Rocks
 Lava cools
quickly upon
contact with air
or water.
March 16, 2016
Unit 2: Rocks and Minerals
12:13 PM
Extrusive Rocks
 Lava cools
quickly upon
contact with air
or water.
 Cooled lava
forms rocks that
are known as
extrusive rocks.
March 16, 2016
Unit 2: Rocks and Minerals
12:13 PM