How might a divergent boundary form?

two plates move away from each other

What is the lithosphere?

the plates that make up the crust

How might a convergent boundary form?

two plates move toward each other

What do scientists believe is the force behind the plate tectonics theory?

convection currents in the mantle

large landmass in which all continents used to be connected

What is the continental drift theory?

idea that continents moved slowly apart

How might a transform boundary form?

two plates slide along each other

What evidence proved South America, Africa, India, & Australia were once covered by glaciers?

glacial deposits and rock surfaces scarred by glaciers

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6th Grade Plate Tectonics Review

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6th Grade Review of Plate Tectonics

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Questions 19

Answers

1
Which plate boundary is shown in the diagram?
divergent plate boundary
transform plate boundary
seafloor spreading
convergent plate boundary
2
Which plate boundary is shown in the diagram?
convergent plate boundary
divergent plate boundary
transform plate boundary
seafloor spreading
3
How might a divergent boundary form?
two plates slide along each other
two plates move toward each other
two plates converge
two plates move away from each other
4
What clue did scientists find that support seafloor spreading?
magnetic stripes
pillow shaped rocks
all of the above are correct
rock samples from drilling
5
Which plate boundary is shown in the diagram?
convergent plate boundary
divergent plate boundary
seafloor spreading
transform plate boundary
6
What forms at convergent plate boundaries?
volcanoes
mountains
trenches
earthquakes
7
What forms at transform plate boundaries?
trenches
mountains
earthquakes
volcanoes
8
How do scientists explain the formation of underwater mountain ranges?
convection currents
continental drift
seafloor spreading
strike-slip faults
9
What forms when one oceanic plate subducts under another oceanic plate?
an volcanic island arc
a volcanic mountain
a shallow ocean trench
very tall mountains
10
What is the lithosphere?
the upper part of the mantle
the plates that make up the crust
plates that make up the crust and upper part of the mantle
large, flat stones sitting on top of malleable magma
11
What does plate tectonics cause?
causes volcanoes
forms ocean basins
forms mountains
all of the above are correct
12
What clue supported the continental drift theory?
fossils of animals found on continents separated by oceans
a puzzle-like fit of all the continents
similar rock structures found on different continents
All of the above are correct.
13
How might a convergent boundary form?
two plates move away from each other
two plates converge
two plates move toward each other
two plates slide along each other
14
What do scientists believe is the force behind the plate tectonics theory?
gravity slab pull
convection currents in the mantle
the Sun's gravity
the movement of the planets
15
What is Pangaea?
Earth's inner core
large landmass all continents are currently forming
the largest fault found on Earth
large landmass in which all continents used to be connected
16
What is the continental drift theory?
idea that continents always stayed in the same place
idea that continents moved quickly apart
idea that continents moved slowly apart
idea that continents are slowly moving together
17
What forms at divergent plate boundaries?
mountains
volcanoes
mid ocean ridges
trenches
18
How might a transform boundary form?
two plates slide along each other
two plates move away from each other
two plates move toward each other
two plates converge
19
What evidence proved South America, Africa, India, & Australia were once covered by glaciers?
leftover portions of glaciers
cold climates
glacial deposits and rock surfaces scarred by glaciers
enormous valleys formed by glaciers

6th Grade Plate Tectonics Review Flashcards | StudBud