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Volcanoes #2
Test Description: Volcano review game
Instructions: Answer all questions to get your test result.
1) A rock is always:
A
formed by heat and pressure
B
made of molten material
C
very dense
D
made of one or more minerals
2) The crystals that form in slowly cooling magma are:
A
square
B
Tiny
C
large
D
fine-grained
3) Magma from deep inside the earth rises toward the surface because:
A
it is less dense than the surrounding solid rock
B
it is the same density as surrounding solid rock
C
Gravity does not effect magma
D
It is denser than the surrounding solid rock
4) Are all volcanic eruptions the same?
A
no, because volcanoes can range from mild fissure volcanoes to very violent
B
no, because sometimes the magma can\'t push through the crust
C
yes, because they all have hot lava from deep inside earth
D
yes, because they all create igneous rock
5) The movement of weathered material is called:
A
convection
B
earthquakes
C
uplifting
D
erosion
6) The uneven heating of the mantle causes ________________ currents.
A
compaction
B
warm
C
convection
D
cold
7) Pressure from upper layers pushing sediments together is called:
A
erosion
B
convection
C
compaction
D
dense
8) Lava and ____________can cool to become igneous rocks
A
sediments
B
magma
9) Weathering and erosion can break rocks into smaller pieces called:
A
smaller rocks
B
sediments
C
sand
D
pieces
10) If you broke a rock to observe if it had a smooth or rough edge, you would be testing for:
A
hardness
B
cleavage or fracture
C
luster
D
streak
*select an answer for all questions
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