Tectonic plates Flashcards
The Earth’s crust is divided up into t________ p_________
tectonic plates
The tectonic plates move because of heat from the Earth’s _______.
core
The tectonic plates move a few ___________ every year.
centimetres
The edges of the tectonic plates are called plate b___________.
boundaries
If two plates move together and one moves under the other it is called a ___________ plate boundary.
destructive
At a destructive plate boundary, ___________ are often formed.
volcanoes
A c_________ zone is where two plates move together and they get pushed up to form mountains.
collision
When two plates move apart and magma moves up to fill the gap, it is called a _____________ plate boundary.
constructive
When constructive plate boundaries are under the sea, we call it _____ ______ ____________.
sea floor spreading
When plates slide past each other it is a ____________ plate boundary.
conservative
____________ often happen at conservative plate boundaries.
Earthquakes
