Minerals
Plate Tectonics
Earthquakes and Volcanoes
Rocks
What had happened was...
100
naturally occurring, inorganic solid with a crystal structure
What is a mineral?
100
3 layers of the Earth
What are crust, mantle, and core?
100
earthquakes mostly occur along this type of boundary
What is transform?
100
rocks are made of these
What are minerals?
100
...there was this giant landmass that existed millions of years ago. What was it called?
Pangaea?
200
at least 3 characteristics used to identify minerals
What are hardness, color, streak, luster, cleavage/fracture, and density?
200
Earth's crust (lithosphere) is divided into these
What are tectonic plates?
200
area where a large % of earthquakes and volcanoes take place
What is the Ring of Fire?
200
type of rock made from fragments pressed and cemented together over time
What is sedimentary?
200
...these 2 plates moved apart at a boundary. What kind of boundary is that?
divergent
300
hardness ratings: talc 1, quartz 7, diamond 10------ Which mineral cannot scratch any other mineral?
What is talc?
300
where plates meet; causing earthquakes, volcanoes, mountains, etc
What are boundaries?
300
molten rock is called ___, then is called ___ when it flows onto Earth's surface
magma---lava
300
needed for an igneous rock to change to metamorphic rock
What is heat and pressure?
300
...some guy a long time ago figured out the rules that govern motion. What was his name?
Isaac Newton
400
one way that minerals are removed from Earth's crust
What is mining?
400
name 2 types of evidence of continental drift
What is rock evidence, fossil evidence, and the way the continents fit like a puzzle?
400
when an oceanic plate collides with a continental plate, which plate is more dense and slides underneath?
What is the oceanic plate?
400
shows all the ways rocks can change into other types
What is the rock cycle?
400
...the material that spewed out of a volcano cooled and hardened. What's that stuff become?
igneous rock
500
To identify a mineral, which characteristic should be used as a last resort and only applies to a few minerals? luster, hardness, density, taste
What is taste?
500
1)sea-floor spreading takes place here, 2) AND at this type of boundary
midocean ridges---divergent boundary
500
volcanoes that are nowhere near a plate boundary and form islands
What are hot spots?
500
Rocks near or at Earth's surface are most likely to be affected by this process
What is weathering?
500
...one tectonic plate was pushed under another and melted. What's that called?
What is subduction
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