Term Time
Secondary, smaller earthquakes that result from a major earthquake are called ____________.
aftershocks
Earthquakes are most common near the edges of _______ plates.
tectonic
A __________ easily allows both heat and electricity to pass through it.
conductor
A scientist who studies the classification and origin of all types of rocks is called a __________.
petrologist
95% of fossils are ________ fossils. (What types of organism?)
Marine
An instrument that simply detects earthquake waves is a ______________.
x2 points: An instrument that both detects and records earthquake waves is a ______________.
seismometer
seismograph
Subduction would most likely be occurring at a ____________ boundary.
convergent
What is a characteristic of all minerals?
+100 for each additional correct answer
Naturally occurring, inorganic, crystalline (not a natural glass), definite chemical composition, solid
During deposition, solid particles settle in layers based on particle _________.
size
Fossils are usually found in __________ rock.
sedimentary
the force that a rock climber exerts on the rope as he rappels down a cliff is an example of ________ force
tension
The Modified Mercalli Intensity scale measures earthquake _________________.
damage/destructiveness
____ minerals are made of atoms of just one element.
+200: What is a mineral composed of more than one chemical element?
native
compound
A rock that has changed due to heat or pressure is a(n) __________ rock.
+100 each: name another type of rock
metamorphic
sedimentary, igneous
A carat is a unit of __________.
An ocean wave caused by an earthquake is called a(n) _______________.
tsunami
Most major faults in the United States are found in _______________.
mountain ranges
The system used to rate a mineral's hardness is called ____________.
+100: What characteristic describes a 1 on this scale?
the Mohs scale
soft
The individual rock particles, crystals, and sometimes fossils that combine to give a rock its texture are known as __________.
grains
Most magnetic minerals contain __________.
iron
The ratio of the density of a mineral specimen to the density of water at 4 °C.
Specific Gravity
Rayleigh waves and Love waves are both examples of _____________.
surface waves
The way (amount and quality) of the light reflected from a mineral's surface is its _____.
luster
The original rock that was altered to form a metamorphic rock is the __________ rock.
source
One quake measures 6.0 on the Richter scale and another measures 7.0. How does the second quake’s energy compare with that of the first?
31.6x more energy released