Scientists believe that continental drift may be caused by ______

Convection currents in the mantle

This evidence does NOT support Alfred Wegener's hypothesis of continental drift ______

reversals of earth's magnetic polarity

Most volcanoes in the Ring of Fire are located ________

where an oceanic plate collides with a continental plate

Folded mountain chains form at a boundary where ______

two continental plates collide.

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Plate Tectonics Review

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6th grade plate tectonics quiz

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Questions 10

Answers

1
Scientists believe that continental drift may be caused by ______
Faulting long the ocean floor
Volcanoes on the ocean floor
Convection currents in the mantle
Mountain building on the continents
2
This evidence does NOT support Alfred Wegener's hypothesis of continental drift ______
reversals of earth's magnetic polarity
matching mountain ranges & rock types on multiple continents
the geographic fit of the continents
the distribution of certain fossils on multiple continents
3
As the temperature of a convection current in the mantle increases, _______
becomes less dense and rises
becomes radioactive
turns to solid rock
becomes more dense and sinks
4
Most volcanoes in the Ring of Fire are located ________
where an oceanic plate collides with a continental plate
at hot spots
without a consistant pattern
along a mid-ocean ridge
5
Seafloor spreading occurs at which of the following plate boundaries?
Divergent
Convergent-colliding
Convergent-subduction
Transform-sliding
6
The Ring of Fire is an earthquake and volcano zone that forms around the _______
South American Plate
Eurasian Plate
Atlantic Plate
Pacific Plate
7
The idea that continents have moved slowly to their current locations is called _____
Continental Drift
Convection
Plate Tectonics
Continental Slope
8
Earth's outer layers are broken into pieces called ________
mid-ocean ridges
plate tectonics
lithospheric plates.
slabs
9
Earth's tectonic plates sit atop and slide along which of these layers?
Core
Lithosphere
Asthenosphere
Crust
10
Folded mountain chains form at a boundary where ______
two oceanic plates move apart.
two continental plates collide.
one oceanic plate slides under a continental plate
one oceanic plate moves under another oceanic plate

Plate Tectonics Review Flashcards | StudBud