Rocks I Question Preview (ID: 7680)


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What's the difference between lava & magma?
a) Lava is on the earth and magma is in the earth
b) Lava is in the earth and magma is on the earth
c) Lava is hotter than magma and makes crystals
d) Magma is hotter than lava and make glassy rocks

A rock formed when melted rock material from inside Earth cools is:
a) Igneous
b) Metamorphic
c) Sedimentary
d) Foliated

A rock formed when sediments are cemented together
a) Sedimentary
b) Igneous
c) Metamorphic
d) Foliated

A rock formed from other rocks
a) Metamorphic
b) Sedimentary
c) Igneous
d) Extrusive

Sandstone and Comglomerates where the sediments have been cemented together becuase of the weight of the layer above are:
a) Detrital Sedimentary Rocks
b) Chemical Sedimentary Rocks
c) Organic Sedimentary Rocks
d) Extrustive Igneous Rocks

Halite is formed when the ocean evaporates and layers of salt are left behind, it's an example of a:
a) Chemical Sedimentary Rock
b) Detrital Sedimentary Rock
c) Organic Sedimentary Rock
d) Extrusive Igneous Rock

A rock that forms from lava cooling such as obsidian is a
a) Extrusive Igneous Rock
b) Intrusive Igneous Rock
c) Organic Sedimentary Rock
d) Chemical Sedimentary Rock

A rock that is made out of dead animals and plants like coal is a type of
a) Organic Sedimentary Rock
b) Chemical Sedimentary Rock
c) Detrital Sedimentary Rock
d) Intrusive Igenous Rock

What two forces can create a metamorphic rock
a) Heat and pressure
b) Heat and Lava
c) Melting and pressure
d) Dead animals and pressure

If you have a rock that has layers with visible bands of minerals like gneiss and phylitte it is:
a) Foliated Metamorphic
b) Nonfoliated Metamorphic
c) Extrusive Igneous
d) Instrusive Igneous

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