Plates
How many major plates are there?
7
What are the layers in order from outer most layer to inner most layer?
crust, mantle, outer core, inner core
List the 3 types of Plate Boundaries
Convergent, Divergent, Transform
A crack in the crust in which movement takes place
fault
What is molten rock called under ground
magma
The crust and the upper part of the mantle form Earth's what?
Plates
There are ______________ main layers of the Earth.
4
Which boundary has plates that move away from each other?
Divergent
a bend in rock layers
fold
What is molten rock called on top of the earth
lava
The rigid part of the Earth including the crust and the upper mantle (makes up the plates of the Earth)
Lithosphere
The thickest layer of the Earth
Mantle
Which Boundary has plates that move towards each other?
Convergent
Vibrations caused by earthquakes
seismic waves
Why is the inner core solid, and not molten
Too much pressure
Plates float on top of the
Asthenosphere
The thinnest layer of the Earth
Crust
Which boundary has plates that slide past each other?
Transform
What instrument measures seismic waves
seismograph
What are tall land forms that have a flat top?
Plateaus
The Earth's crust is thinnest under the _____________________ and thickest under the _____________________.
Thinnest under oceans, thickest under continents
Which layer is responsible for Earth's magnetic field?
Outer Core
form at convergent boundaries
form at divergent boundaries
form at transform boundaries
Mountains
Volcanoes
Earthquakes
What is the difference between a volcano and a mountain?
A volcano has an opening in the top
In the pacific Ocean, there is an area of intense volcanic activity. What is this area called?
Ring of Fire