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Earth science 1023 midterm

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Quiz on Earth science 1023 midterm, created by Lindsay Daly on 01/03/2015.
Lindsay Daly
Quiz by Lindsay Daly, updated more than 1 year ago
Lindsay Daly
Created by Lindsay Daly over 9 years ago
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Resource summary

Question 1

Question
What planets don't orbit perfectly in the plane of the ecliptic?
Answer
  • Jupiter
  • Mars
  • neptune
  • saturn
  • uranus
  • mercury
  • earth

Question 2

Question
Earth is heated by:
Answer
  • the heat of accretion
  • radiation
  • the inner core
  • heat of compression
  • heat caused by differentiation, heat of formation

Question 3

Question
seismic p waves depend on:
Answer
  • the bulk modulus
  • 3/4 the shear modulus
  • 1/density
  • square of all of the above
  • square root of all of the above

Question 4

Question
the d'' layer is the layer of discontinuity between the crust and the upper mantle
Answer
  • True
  • False

Question 5

Question
Mercury has an:
Answer
  • upper mantle
  • lower mantle
  • solid inner core
  • solid FeS layer

Question 6

Question
What is the difference in formation between a protostar and a protoplanet?
Answer
  • Protostars are larger
  • Protostars form first out of particles, their gravity causes other particles to orbit the protostar, colliding and forming planets
  • protoplanets don't have a gravitational field

Question 7

Question
s waves, or shear waves are propagated:
Answer
  • horizontally
  • 90 degrees to horizontal
  • by the shearing movement

Question 8

Question
p waves are caused by:
Answer
  • areas of compression and release
  • horizontal movement

Question 9

Question
ray paths are drawn as curves over short distances
Answer
  • True
  • False

Question 10

Question
Erastosthenes experiment calculated:
Answer
  • The radius of the earth
  • the circumference of the earth
  • the orbit of the earth

Question 11

Question
What is the upsilon andromoedae system?
Answer
  • An asteroid belt
  • A multi-star system

Question 12

Question
the heat of differentiation is:
Answer
  • Heat caused by Fe losing potential energy as it traveled inwards
  • heat caused by the different layers if the earth

Question 13

Question
Inge Lehmann discovered the liquid outer core
Answer
  • True
  • False

Question 14

Question
The upper mantle is made of
Answer
  • olivine
  • pyroxene
  • ringwoodite
  • wadlseyite
  • perovskite
  • ferropericlase

Question 15

Question
the order of sea floor spreading is:
Answer
  • magma rises, is cooled, moves to the side (pushed by new magma coming up), is subducted underneath less dense continental crust
  • magma rises, moves to the side, cools which locks in the curie temperature, and then sinks as the density increases

Question 16

Question
the athenosphere and lithosphere are parts of the upper mantle
Answer
  • True
  • False

Question 17

Question
outer core is made of liquid:
Answer
  • Fe
  • Ni
  • Si
  • S
  • O
  • Mg
  • Ca

Question 18

Question
the difference between the inner core and the outer core is that it transitions from liquid to solid
Answer
  • True
  • False

Question 19

Question
Sea floor spreading is started by subduction
Answer
  • True
  • False

Question 20

Question
types of convergent boundaries are:
Answer
  • oceanic-oceanic, one that's more dense than the other will sink
  • oceanic-continental
  • continental-continental
  • san andreas fault
  • normal fault

Question 21

Question
Vine, Matthews and Morley used sea floor spreading to confirm:
Answer
  • polar reversal
  • continental drift
  • hot spot hypothesis
  • subduction

Question 22

Question
continent-continent collisions:
Answer
  • create mountains
  • are a form of convergent boundary
  • are caused by sea floor spreading centres

Question 23

Question
match the innovator with their idea:
Answer
  • J.J thompson and the e-
  • rutherford and the p+ and empty space in the nucleus
  • Hipparchus classify stars based on brightness 1-6
  • hertzsprung-russel luminosity vs temperature
  • hertzsprung-russel classify stars based on brightness 1-6
  • Bohr quantized model of atom
  • Alfred Wegener continental drift
  • Harry hess hot spot hypothesis
  • Harry hess sea floor spreading centres
  • J.J. tuzo wilson, wilson cycle, transform bounadries and hot spot hypothesis

Question 24

Question
conduction is the most efficient way of spreading heat
Answer
  • True
  • False

Question 25

Question
There are these types of divergent faults:
Answer
  • normal faults
  • sea floor spreading centres
  • subduction zones
  • transform

Question 26

Question
pluto is a part of the kuiper belt
Answer
  • True
  • False

Question 27

Question
Igneous and metamorphic rocks lock in the polar field by:
Answer
  • cooling past their curie temperatures and locking in the polar field at the time
  • as the particles settle, magnetic minerals like hematite and magnetite align with the magnetic field and the particles align with the magnetic field because if this

Question 28

Question
Venus has:
Answer
  • intense greenhouse effect
  • no magnetic field
  • a much larger radius than earth
  • no plate tectonics

Question 29

Question
in the wilson cycle the continents rejoin because of:
Answer
  • they don't rejoin
  • uneven rates of subduction
  • the temperature of the magma

Question 30

Question
A star increases in temperature,
Answer
  • becomes a red giant, nebulas, then becomes a white dwarf
  • becomes a red supergiant, novas, then becomes a neutron star or a blackhole
  • becomes a planet

Question 31

Question
Jupiter has:
Answer
  • 11x earth's radius
  • >60 satellites
  • liquid core
  • solid core

Question 32

Question
these are the jovian planets:
Answer
  • jupiter
  • neptune
  • uranus
  • pluto
  • venus
  • saturn

Question 33

Question
the depths are:
Answer
  • crust=30 mantle=2990 outer core=5200 inner core=6400
  • crust=0 mantle=1000 outer core= 2700 outer core= 4300

Question 34

Question
when an iceberg pushes down on the land it:
Answer
  • wants to melt and become magma
  • bounces back up, causing cracks
  • forms an indent in the earth

Question 35

Question
volcanoes are caused by:
Answer
  • hydrated oceanic plates melting up through the mantle
  • sea floor spreading centres

Question 36

Question
hot spot hypothesis is that:
Answer
  • the hot spot are caused by plate movement, magma coming up through same plate, in a different place
  • the sea floor spreading centers move, causing magma to form the Hawaiian islands

Question 37

Question
The terrestrial planets are made of metal and rock, as opposed to the jovian planets made of gases and ice. This is because:
Answer
  • planets closer to the sun are formed by elements that condense at higher temperatures. This is why terrestrial planets are formed by metals and rocks
  • because the gases condense at lower temperatures they did not form the terrestrial planets and were pushed outwards
  • planets closer to the sun were able to get more of the elements from the nebula and therefore were made of the heavier elements, leaving the lighter elements for the jovian planets

Question 38

Question
the temperatures of the layers of the earth are:
Answer
  • crust=0 mantle=1000 outer core=3700 inner core=4300
  • crust=30 mantle=2990 outer core=5200 inner core=6400
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