large landmass in which all continents used to be connected

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

convection currents in the mantle

How might a transform boundary form?

two plates slide along each other

What is the continental drift theory?

idea that continents moved slowly apart

How might a divergent boundary form?

two plates move away from each other

How might a convergent boundary form?

two plates move toward each other

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

glacial deposits and rock surfaces scarred by glaciers

What is the lithosphere?

the plates that make up the crust

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

6th Grade Plate Tectonics Review Flashcards | StudBud