Earth Science Ch.1 A: Question Preview (ID: 6205)

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Holes drilled several kilometers into Earth’s crust provide direct evidence about Earth’s interior in the form of
a) seismic waves
b) rock samples
c) liquid iron
d) volcanic eruption

Geologists obtain indirect evidence about Earth’s interior by
a) measuring pressure differences at Earth’s surface.
b) estimating temperature inside earth.
c) directly looking under the many layers.
d) recording and studying seismic waves.

What is the correct order (starting from the surface) of Earth’s layers?
a) crust, outer core, inner core, mantle
b) mantle, outer core, inner core, crust
c) crust, mantle, outer core, inner core
d) outer core, inner core, crust, mantle

Earth’s inner core is
a) a dense ball of solid metal
b) a layer of molten metal.
c) a layer of hot rock
d) a layer of rock that forms Earth’s outer skin.

When you touch a hot pot or pan, energy moves from the pot to your hand. This is called
a) magnetic energy
b) indirect evidence
c) subduction
d) heat transfer

The transfer of energy through empty space is called
a) conduction
b) convection
c) radiation
d) subduction

Heat transfer within a fluid takes place by
a) convection currents
b) radiation
c) conduction
d) density

When the heat source is removed from a fluid, convection currents in the fluid will
a) speed up
b) change direction
c) eventually stop
d) continue at the same rate forever

According to Wegener’s hypothesis of continental drift,
a) Earth’s surface is made up of seven major landmasses.
b) the continents do not move.
c) Earth is slowly cooling and shrinking.
d) the continents were once joined together in a single landmass.

What is Pangea?
a) the name of a German scientist
b) the name of the supercontinent that existed millions of years ago
c) another name for continental drift
d) the name of an ancient fossil

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