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Plate Tectonics Flashcards | StudBud

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Plate Tectonics

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#platetectonics #plateboundaries

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Questions 9

Answers

1
How can crust disappear at the edge of a boundary?
It is too dense and is sinking into Earth
new crust is being added to the other edge of the boundary
The other edge of the boundary is pulled into Earth's core
gravity is pulling it down
2
What landform is created when two continental plates collide?
ocean basin
mountain range
canyon
volcano
3
The Atlantic Ocean is growing. How else has this magma affected the Atlantic Ocean?
Its made the Atlantic waters warmer than the Pacific waters
It's created a mountain range below the oceans surface
Its produced a flat smooth seafloor as continents separate.
It has produced volcanoes along the edge of the continents
4
A boundary where 2 plates come together, or collide, is called a
transfer boundary
transform boundary
divergent boundary
convergent boundary
5
What is Pangaea?
large landmass that all continents are currently forming
Earth's inner core
large landmass in which all continents once were
the largest fault found on Earth
6
What clue(s) supported the continental drift theory?
all answers are correct
a puzzle-like fit of all the continents
similar rock structures found on different continents
fossil clues
7
What do scientists believe is the force behind the plate tectonics theory?
convection currents
the movement of the planets
gravity slab pull
the Sun's gravity
8
How can Earth's plates move?
they only collide or slide along each other
they only converge or diverge
They only move toward each other
they can collide, pull apart, or slide against each other
9
Areas on Earth's surface that lie above the places where tectonic plates meet, characterized by
lengthy formations of sea arches
stable, temperate climate conditions
a lack of plant and animal
frequent earthquake activity