the giant continent that scientists believe originally existed
Pangaea
the thinnest of the earth's layers
crust
believed to be made of liquid metal
outer core
moving toward each other
convergent
moving away from each other
divergent
the stress that takes place when two plates slide past each other, twisting rocks
shearing
the stress that takes place when two plates move away from each other, tearing rocks apart
tension
an instrument that measures the waves of an earthquake
seismograph
a crack in the earth's crust resulting from pressure built up over time
fault
heated rock inside the mantle
magma
the process when one plate slides beneath another.
Subduction
The rocks at the top of the __________ are said to be in a mostly solid state
mantle
_____ is magma that reaches the top of the earth's surface
Lava
This is the part of Earth that is made up of every living thing on the planet
biosphere
Which layer is a plastic-like rock in the upper part of the mantle
asthenosphere
This is the part of Earth that is made up of the layers of gases that surround it
atmosphere
What two spheres are interconnected if the following occurs?
a volcano erupts the gases and ashes are released into the air
When two plates are pushed toward one another __________takes place.
compression
The earth's atmosphere is made up of ____% nitrogen, ______% of oxygen, and ____% of water vapor.
78% Nitrogen, 21% Oxygen, and 1% water vapor
What cycle connects all spheres?

Name the layers from top to bottom:
crust
mantle
outer core
inner core
Name three parts of the ocean floor:
continental slope, guyot, ocean trench
Challenger Deep is the deepest part of the _______
Mariana Trench
Which Plate is labeled as #11?

Indo-Australian Plate
Which Plate is labeled as #7?

African Plate