Earth
Rocks
Minerals
Volcanoes
Earthquakes
100
The mantle
What is the layer of Earth that is thick, mostly molten rock?
100
a mixture of minerals
What is a rock?
100
quartz is used in watches talc in makeup
Name two minerals and their uses.
100
shield, strata and cinder cone
What are the three types of volcanoes?
100
Richter scale
What is the scale used to measure the strength of earthquakes?
200
crust
What is the thinnest layer of Earth?
200
heat and pressure transform other rocks
How do metamorophic rocks form?
200
quartz and feldspar
What are the two most common minerals on Earth?
200
Pumice
What is the igneous rock that floats on water?
200
the point underground where the fault breaks.
What is the focus of an earthquake?
300
the mantle
Where are convection currents found?
300
wind, water, ice, rain
What is causes rocks to be weathered?
300
inorganic solid naturally occurring crystal structure definite chemical composition
What is a mineral?
300
plate tectonics convergent and divergent boundaries
What causes volcanoes?
300
S,P and Surface waves
What are the 3 types of seismic waves?
400
plate tectonics
What is the moving of Earth's plates called?
400
igneous
Which rock type has intrusive and extrusive kinds?
400
Mohs hardness scale
What is the scale for measuring mineral hardness?
400
lava, ash, bombs, gases, pyroclastic flows....
What comes out of a strata volcano?
400
P waves then S waves then Surface waves
Which waves move fastest?
500
crust=candy shell It is hard, thin and breakable mantle=chocolate It is thick, can be melted core=peanut It is dense, solid It is not a perfect model bc it does not show the inner and outer core and the thicknesses are not to scale.
How is the structure of Earth like a peanut m and m?
500
Igneous- granite Sedimentary- limestone Metamorphic- gneiss
Give an example of each of the three kinds of rock.
500
properties like luster, streak, color, hardness, density and cleavage or fracture.
How can you tell one mineral from another?
500
Shield
What is least explosive volcano?
500
plate tectonics and the crust under stress breaking
What causes earthquakes?
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