Metamorphic Rocks Form as Existing Rocks change
Metamorphic Rocks Form as Existing Rocks change PT2
RANDOM
Mechanical and chemical forces break down rocks PT2
Mechanical and chemical forces break down rocks
100
what is the latin word for folium?
leaf.
100
what forms during recrystallization when bonds between atoms in a mineral are combined in different ways?
new minerals.
100
What causes minerals in a rock to recrystallize when it comes into contact with magma?
A) The magma's heat
B) The magma's pressure
C) The magma's volume
A) The magma's heat
100
what is involved in both mechanical and chemical weathering?
water.
100
what is NOT affect the rate of weathering
water.
200
for what reason slate is useful for making tiles?
it can be split into thin sheets.
200
500
500
200
What is the name of the acid that is formed when carbon dioxide reacts with water in rain?
Carbonic acid
200
provide an example of chemical weathering.
the rusting of a bicycle chain.
200
provide the main cause of chemical weathering.
water.
300
describe when foliation occurs in metamorphic rocks.
when rocks are under pressure.
300
describe a result of recrystallization.
individual mineral crystals can become larger as more atoms join their crystal structures.
300
Give an example of a mineral or mineral group that is strongly affected by acid rain
Carbonate minerals (Calcite for example)
300
what causes rain water to become acidic?
carbon dioxide.
300
state what makes chemical weathering different from mechanical weathering.
chemical weathering changes rock composition, but mechanical weathering does not.
400
state something true parent rocks.
metamorphic rocks can be parent rocks of other metamorphic rocks.
400
what do we call the transformation of shale into slate?
metamorphism
400
Define chemical weathering
Chemical weathering is the breakdown of rocks by chemical reactions that change the rock’s composition
400
state the types of mechanical weathering.
A. ice wedging.
B. abrasion.
C. pressure release
400
describe how trees and other plants contribute to the mechanical weathering of rocks.
their roots grow between cracks in rocks and force the cracks to become bigger.
500
give a reason metamorphic rock might NOT show foliation.
the rock is made up mainly of one mineral.
500
what can be considered true of marble?
it develops from limestone.
500
Identify this metamorphic rock:
It's Gneiss!
500
name a type of climate which can speed up the rate of chemical weathering.
a hot, wet climate.
500
what are factors that affects the rate of weather of rock?
A. rocks surface area.
B. rocks composition.
C. climate