Plate Tectonics Question Preview (ID: 56026)


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The theory that the continents were at one time a single landmass that broke apart and moved into the positions they are in today is called the theory of _______.
a) continental drift
b) continental floating
c) Pangaea
d) jigsaw theory

This is the name of the single, giant landmass or continent that broke apart.
a) Alland
b) Pangaea
c) the Big Landmass
d) ring of fire

________ first stated the modern theory of continental drift.
a) Galileo
b) Sir Issac Newton
c) Alfred Wegener (pronounced vah-gun-er)
d) Madame Laurasia Gondwanaland

Alfred Wegener supported his theory of continental drift by showing how the continents________ like a puzzle.
a) used to be all ice
b) float aimlessly in the ocean
c) could fit together
d) could have all been mountains

The _______ of once-living organisms on more than one continent also supports the theory of continental drift.
a) carcasses
b) parents
c) Bundestad
d) fossils

This is an ocean-floor feature resembling a mountain range on land.
a) Alps
b) mid-ocean ridge
c) trench
d) monolith

This is a flat area between two ridges that is formed by spreading plates.
a) Shenandoah Valley
b) Apple Valley
c) deforestation
d) rift valley

In the ocean, when magma rises through the crust, it cools and forms new crust on both sides of a rift. What is this process called?
a) sea floor sreading
b) Great Rift Valley
c) ocean trench
d) ocean floor manspreading

On the ocean floor, there are deep canyons called _____.
a) holes
b) trenches
c) chutes
d) basalt

The areas in which oceanic crust is forced back down into ocean trenches are called _____.
a) fossil evidence
b) subduction zones
c) Pangaea
d) mantle

This is a large, solid piece of Earth's surface.
a) tectonic plate
b) ring of fire
c) trench
d) canyon

This is the theory that Earth's crust is broken into plates that float on the upper part of the mantle.
a) theory of Pangaea
b) theory of the ring of fire
c) theory of earthquakes
d) theory of fossil evidence

This is the movement of a gas or liquid caused by changes in temperature.
a) radiation currents
b) conduction currents
c) convection currents
d) volcanology

This is the place where two tectonic plates meet.
a) plate line
b) cup boundary
c) plate boundary
d) subduction zone

When two tectonic plates slide past each other, it's known as a ________.
a) magma chamber
b) geothermal energy
c) mid-ocean ridge
d) transform boundary

When two tectonic plates move away from each other, it's known as a __________.
a) transformation boundary
b) divergent boundary
c) convergent boundary
d) magma chamber

When two tectonic plates push toward each other, it's known as a _______.
a) convergent boundary
b) diverform boundary
c) transformation boundary
d) magma boundary

The San Andreas fault line in California is an example of what kind of plate boundary?
a) convergent
b) transform
c) divergent
d) diverticulitis

Fossils of the freshwater Mesosaurus have been found in both Africa and South America. Since the mesosaurus couldn't swim in the salty water, this is evidence for what theory?
a) theory of Pangaea
b) theory of the ring of fire
c) theory of continental drift
d) theory of the mid-ocean ridge

The word Pangaea means ____________.
a) big land
b) all lands
c) puzzle land
d) Wegenerland

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