What direction do the plates move in a transform boundary?
Across
100
What direction do the plates move in a divergent boundary?
Away
100
What direction do the plates move in a convergent boundary?
Towards
100
The earth is broken up into pieces called
Tectonic Plates
100
What is the inner-most layer of the earth?
Core/Inner Core
200
What event often happens at a transform boundary?
Earthquakes
200
When plates separate, what is allowed to rise to the surface?
Molten Rock (magma)
200
Why does ocean crust sink below continental crust?
It has a higher density
200
What is the theory that the continents have moved apart over the years?
Continental Drift
200
What is a sign that a chemical reaction has occurred?
Something new is made/new odor/color change/temperature change
300
Earthquakes happen because the plates are not ________
Smooth
300
Divergent boundaries typically occur int he middle of the what?
Ocean
300
What is created at ocean-continent convergent boundaries?
Volcanoes
300
The plates move because of ____________ in the mantle
Convection Currents
300
What is weathering?
The breaking down of rocks over time due to wind, rain, etc
400
As the plates slide past one another one often gets caught on the other one. This causes _______ to build up. Earthquakes happen when the ______ is released. (same word in both blanks)
Energy
400
What is created at divergent boundaries?
New seafloor
400
What is created at continent-continent convergent boundaries?
Mountain Ranges
400
Tectonic plates are pieces of what layer of the Earth? (not crust)
Lithosphere
400
What type of tides are we experiencing during a third quarter moon?
Neap Tide
500
This is the force which causes earthquakes as the plates slide against one another.
Friction
500
These are more common at convergent boundaries but can also be made at divergent boundaries.
Volcanoes
500
What is created at ocean-ocean convergent boundaries?
Volcanic Islands
500
Who developed the theory of plate tectonics?
Alfred Wegner
500
The atomic number of phosphorous is 15. How many neutrons does a phosphorous atom have if its atomic mass is 31 amu?