Chapter 3 Plate Tectonics Question Preview (ID: 32648)

Plate Tectonics.[print questions]

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

Using data from seismic waves, geologists have learned that Earth's interior is made of several
a) trenches
b) continents
c) layers
d) ridges

Earth's magnetic field results from movements in the
a) outer core
b) inner core
c) mantle
d) crust

When you touch a hot pot, the energy moves form the pot to your hand this is called
a) convection
b) conduction
c) continental drift
d) subduction

Scientist think that convection currents flow in the
a) mantle
b) Lithosphere
c) inner core
d) continents

What is Pangaea?
a) name of an ancient fossil
b) another name for continental drift
c) name of a German scientist
d) the name of the super continent form millions of years ago

In sea-floor spreading, molten material rises form the mantle and erupts
a) along mid-ocean ridges
b) in deep ocean trenches
c) at the south and north poles
d) along the edges of all of the continents

The place where two plates come together is known as
a) transform boundary
b) rift valley
c) divergent boundary
d) convergent boundary

Most geologists think that the movement of Earth's plates is caused by...
a) Conduction
b) Convection currents in the mantle
c) earthquakes
d) Earth's magnetic field

A rift valley forms at
a) convergent boundary
b) transform boundary
c) deep ocean tranch
d) divergent plate boundary

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