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Plate Tectonics Middle School Science 6th 7th 8th Flashcards | StudBud

Explore/Plate Tectonics Middle School Science 6th 7th 8th

Plate Tectonics Middle School Science 6th 7th 8th

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Questions 10

Answers

1
What type of boundary is shown?
Transform
Convergent
Allegiant
Divergent
2
What type of boundary is shown here?
Divergent
Transform
Allegiant
Convergent
3
Plates move as a result of:
the rotation of the earth
gravity
convection currents in the mantle
the revolution of the earth
4
What happens at an oceanic - continental convergent boundary?
rift valley and volcanoes form
Volcanoes form on land, trench forms in ocean
mid-ocean trench forms
Volcanoes form in ocean, no trench
5
What happens at an oceanic - oceanic plate boundary?
They crash into each other, creating tsunamis.
Where they meet, earthquakes are constantly occurring.
Mountains form.
An ocean plate goes under other one, making volcanic islands
6
Volcanoes are always formed at ocean convergent boundaries because:
The denser oceanic crust subducts under and melts.
Oceanic crust is less dense and does nothing.
The denser oceanic crust causes a lot of friction.
7
What is created at a divergent boundary?
mountains and volcanoes
rift valley and volcanoes
volcanoes
Earthquakes and lava
8
What happens at a transform boundary?
Bumblebee arrives
Many rift valleys
Many volcanoes
Many earthquakes
9
What type of boundary is this:
Convergent
Allegiant
Divergent
Transform
10
What happens when continental - continental convergent plates collide?
Volcanoes and earthquakes are formed
Only earthquakes are formed.
Ocean ridges are formed
Mountain ranges are formed