Earth science 1023 midterm

Descripción

Test sobre Earth science 1023 midterm, creado por Lindsay Daly el 01/03/2015.
Lindsay Daly
Test por Lindsay Daly, actualizado hace más de 1 año
Lindsay Daly
Creado por Lindsay Daly hace más de 9 años
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Resumen del Recurso

Pregunta 1

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

Pregunta 2

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

Pregunta 3

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

Pregunta 4

Pregunta
the d'' layer is the layer of discontinuity between the crust and the upper mantle
Respuesta
  • True
  • False

Pregunta 5

Pregunta
Mercury has an:
Respuesta
  • upper mantle
  • lower mantle
  • solid inner core
  • solid FeS layer

Pregunta 6

Pregunta
What is the difference in formation between a protostar and a protoplanet?
Respuesta
  • 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

Pregunta 7

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

Pregunta 8

Pregunta
p waves are caused by:
Respuesta
  • areas of compression and release
  • horizontal movement

Pregunta 9

Pregunta
ray paths are drawn as curves over short distances
Respuesta
  • True
  • False

Pregunta 10

Pregunta
Erastosthenes experiment calculated:
Respuesta
  • The radius of the earth
  • the circumference of the earth
  • the orbit of the earth

Pregunta 11

Pregunta
What is the upsilon andromoedae system?
Respuesta
  • An asteroid belt
  • A multi-star system

Pregunta 12

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

Pregunta 13

Pregunta
Inge Lehmann discovered the liquid outer core
Respuesta
  • True
  • False

Pregunta 14

Pregunta
The upper mantle is made of
Respuesta
  • olivine
  • pyroxene
  • ringwoodite
  • wadlseyite
  • perovskite
  • ferropericlase

Pregunta 15

Pregunta
the order of sea floor spreading is:
Respuesta
  • 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

Pregunta 16

Pregunta
the athenosphere and lithosphere are parts of the upper mantle
Respuesta
  • True
  • False

Pregunta 17

Pregunta
outer core is made of liquid:
Respuesta
  • Fe
  • Ni
  • Si
  • S
  • O
  • Mg
  • Ca

Pregunta 18

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

Pregunta 19

Pregunta
Sea floor spreading is started by subduction
Respuesta
  • True
  • False

Pregunta 20

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

Pregunta 21

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

Pregunta 22

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

Pregunta 23

Pregunta
match the innovator with their idea:
Respuesta
  • 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

Pregunta 24

Pregunta
conduction is the most efficient way of spreading heat
Respuesta
  • True
  • False

Pregunta 25

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

Pregunta 26

Pregunta
pluto is a part of the kuiper belt
Respuesta
  • True
  • False

Pregunta 27

Pregunta
Igneous and metamorphic rocks lock in the polar field by:
Respuesta
  • 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

Pregunta 28

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

Pregunta 29

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

Pregunta 30

Pregunta
A star increases in temperature,
Respuesta
  • 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

Pregunta 31

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

Pregunta 32

Pregunta
these are the jovian planets:
Respuesta
  • jupiter
  • neptune
  • uranus
  • pluto
  • venus
  • saturn

Pregunta 33

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

Pregunta 34

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

Pregunta 35

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

Pregunta 36

Pregunta
hot spot hypothesis is that:
Respuesta
  • 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

Pregunta 37

Pregunta
The terrestrial planets are made of metal and rock, as opposed to the jovian planets made of gases and ice. This is because:
Respuesta
  • 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

Pregunta 38

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