Vocab
mantle
the layer of soft, solid rock underneath Earth’s plates
Earth’s _____________ move on top of a soft, solid layer of rock called the _______.
plates, mantle
What type of landforms are commonly formed at Covergent boundary?
Trench
What is earths outer layer called?
The crust
The rock material that makes up the mantle is soft and can move like
convergent
moving toward the same place
At ___________ plate boundaries, rock rises from the mantle and hardens, adding new solid rock to the edges of both plates.
divergent
What type of landforms are commonly formed at divergent plate boundaries?
mid- ocean ridge
What is earths largest layer called?
The mantle starts somewhere between ___ and _____ kilometers below Earth’s surface
65 & 100
moving apart in different directions
At __________ plate boundaries, one plate moves underneath the other plate and sinks into the mantle.
covergent
what direction do divergent plates move?
away from each other
What is the crust made of?
True or False
Mid-ocean ridge is a long, deep indentation in the ocean floor formed when two plates move together
false
analyze
to examine in detail for a purpose
What direction do covergent boundaries move?
toward each other
What type of rock is earths mantle made of
Soft solid rock
True or False
A trench is an underwater mountain range formed when two plates move apart
false
mid ocean ridge
an underwater mountain range formed when two plates move apart
what happens to the plates and the mantle at divergent boundaries?
As the plates move, hot material from the mantle comes up to fill the space between them. The hot mantle material cools and hardens and adds new rock to the edge of each plate
The eart's mantle is made of hot dense rock called
trench
is a long, deep indentation in the ocean floor formed when two plates move together
what happens to the plates and the mantle at convergent boundaries?
The plate on the bottom is shoved into the mantle, bending downward and forming a deep trench at the boundary. As the bottom plate sinks into the mantle, it is destroyed and becomes part of the mantle
The earths crust is made of many pieces called _____
volcanic activity
any of the many processes in which gas, lava, and ash are pushed out on the surface of Earth
what is the name of the layer of earth we walk on
crust
the soft solid rock in the mantle allows what to move
earths plates
what rises towards the surface & erupts, which is how volcanoes form.