19 terms

Rocks

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How are rocks classified?
By how they were made
ignis
fire
Rock Cycle Diagram
Igneous - Sedimentary - Metamorphic
Most rocks are made up of more than one mineral
True
An example of chemical weathering
Oxidation
Sedimentary Rock
Limestone
Conglomerates
Rocks that contain large pebble sized pieces
An increase in altitude and moving away from Earth's surface results in gas particles
becoming less dense
How are metamorphic rocks formed?
when molten rock cools
Intrusive Rocks
formed from magma
Metamorphic rocks that show bands of color
foliated
geologists
people who study the structure of Earth
What causes weathering?
water, wind, gravity
Organic rocks
formed from the remains of something
Fine grained igneous rocks form
lava cools very quickly creating small/no crystals
sedimentary rock
contains fossils and/or remains of organisms
Gneiss Rock
flattened crystals
Sandstone Rock
layers that break easily
Granite Rock
particles loosely fitted