Theories
Who proposed the theory of plate tectonics?
John Tuzo Wilson
The motion of convection currents in the ________ drives plate movement
mantle
What is the process of subduction?
When one plate slides beneath another
Faults are...
cracks in Earth's Crust
The lithosphere is made up of the following layers of Earth: ______________ and _______________
Crust and the Upper Mantle
What process causes the wax in a lava lamp to move when it's turned on?
Convection Currents
___________ can lead to subduction
Convection Currents
An area where the edge of Earth's plates meets is called..
A Plate Boundary
Who proposed the theory of continental drift?
Alfred Wegener
Which of the following examples best demonstrates the process of convection currents?
-Flying an airplane
-Boiling water
Boiling water
What can pull the leading edge of the plate down to the mantle?
Gravity
When plates slide past each other in opposite directions, the boundary is called a...
Transform Boundary
What is the rate that plates are moving at per year?
2.5 centimeters
Explain continental drift as best as you can in your own words...
Something along the lines of, continents were all together as 1 pangea in the beginning, and over time, they drifted apart
In the plate tectonics theory, they state that plates move because of....
convection currents!
(VOCAB PAGE) An area of low land with steep walls formed at divergent boundaries is a...
Rift Valley
When plates are moving AWAY from each other... the boundary is called a:
Divergent Boundary
Do plates move quickly or slowly?
Very slowly
Explain the theory of plate tectonics in your own words...
Something along the lines of.. Plates (pieces of Earth's Lithosphere) are slowly but constantly moving due to convection currents
*THIS IS NOT IN YOUR NOTES...* In convection currents, the _______(warm,cool) parts rise up, and the ______(warm,cool) parts sink down, making a loop or circle movement.
warm
cool
What is a convergent boundary?
When 2 plates move toward each other
What are the major plates on Earth?
North American Plate
South American Plate
Eurasian Plate
African Plate
Indo-Australian Plate
Pacific Plate