Plate Tectonics Quiz

Holes drilled several kilometers into Earth's crust provide direct evidence about Earth's interior in the form of _______.

• seismic waves

• rock samples

• liquid iron

• volcanic eruption

Geologists obtain indirect evidence about Earth's interior by _______.

• measuring pressure differences at Earth's surface

• estimating temperature inside earth

• directly looking under the many layers

• recording and studying seismic waves

What is the correct order (starting from the surface) of Earth's layers?

• crust, outer core, inner core, mantle

• mantle, outer core, inner core, crust

• crust, mantle, outer core, inner core

• outer core, inner core, crust, mantle

Earth's inner core is _______.

• a dense ball of solid metal

• a layer of molten metal

• a layer of hot rock

• a layer of rock that forms Earth's outer skin

Heat transfer within a fluid takes place by _______.

• convection currents

• radiation

• conduction

• density

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According to Wegener's hypothesis of continental drift, _______.

• Earth's surface is made up of seven major landmasses

• the continents do not move

• Earth is slowly cooling and shrinking

• the continents were once joined together in a single landmass

What is Pangaea?

• the name of a German scientist

• the name of the supercontinent that existed millions of years ago

• another name for continental drift

• the name of an ancient fossil

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Which type of evidence was NOT used by Alfred Wegener to support his continental drift hypothesis?

• evidence from landforms

• evidence from fossils

• evidence from human remains

• evidence from climate

Most geologists rejected Alfred Wegener's idea of continental drift because _______.

• they were afraid of a new idea

• Wegener was interested in what Earth was like millions of years ago

• Wegener used several different types of evidence to support his hypothesis

• Wegener could not identify a force that could move the continents

In seafloor spreading, molten material rises from the mantle and erupts _______.

• along the edges of all the continents

• along mid-ocean ridges

• in deep-ocean trenches

• at the north and south poles

Tags

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