boundary where two tectonic plates are moving towards each other or colliding
layer of Earth made up of the crust and upper mantle
upper part of the mantle that is........
deepest part of the ocean; steep-sided canyon
super-continent made of all the continents that existed millions of years ago
circulating flow of a gas or liquid due to density differences
magnetic qualities "frozen" into rocks when they are formed showing the direction of the magnetic field at that time
boundary where two tectonic plates move in opposite directions alongside each other
idea that the world's land masses are slowing moving over time
long, underwater mountain ranges
describes how Earth's plates move and what happens when they interact with each other
force that pulls objects towards the Earth
section of the lithosphere that slowly moves over the asthenosphere, carrying pieces of continental and oceanic crust
place where one plate gets pushed under another plate
boundary where two tectonic plates are moving away from each other
1.
lithosphere
2.
asthenosphere
3.
convergent boundary
4.
divergent boundary
5.
transform boundary
6.
mid-ocean ridge
7.
ocean trench
8.
paleomagnetism
9.
continental drift
10.
plate tectonics
11.
convection
12.
gravity
13.
tectonic plate
14.
subduction zone
15.
Pangaea