Earth Science Ch 1 C Question Preview (ID: 6207)
Earth Science Ch 1 C.
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Earth’s magnetic field results from movements in the
a) mantle
b) outer core
c) inner core
d) crust
Scientists think that convection currents flow in Earth’s
a) continents
b) mantle
c) lithosphere
d) inner core
A collision between two pieces of continental crust at a converging boundary produces a
a) mid-ocean ridge
b) deep-ocean trench
c) rift valley
d) mountain range
Any trace of an ancient organism that has been preserved in rock is called a
a) landform
b) continent
c) fossil
d) landmass
Mid-ocean ridges are
a) found in all of Earth's oceans
b) found only in the Pacific Ocean
c) located mostly along coastlines
d) long deep-ocean trenches
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 rated forever
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
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.
Heat transfer within a fluid takes place by
a) convection currents
b) radiation
c) conduction
d) density
Density equals
a) Mass/Volume
b) Mass x Volume
c) Mass + Volume
d) Volume/Mass
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