The continental drift theory states that continents have _______ slowly to their current locations.
What is moved.
100
Earth's crust and upper mantle are broken into sections called _________.
What are plates
100
The crust and upper mantle together are called ___________.
What is the lithosphere.
100
a convergent boundary is when ________moves __________.
What is when one plate moves over the other.
100
Name the 6 continental plates
What are the north american plate, south american plate, eurasian plate, indo-australian plate, antartic plate, and african plate
200
It is believed that the continents were at one time a single large continent called _____________.
What is Pangaea
200
The collision of one continental plate with another may produce ____________.
What are mountains.
200
during an earthquake a stiffer building will _______ than a more flexible building under the same applied loading.
What is displace less.
200
Many land masses are created from convergent boundaries. Name two of these masses.
What are volcanoes, mountains, trenches, and plateaus.
200
At a transform boundary land is
A. Formed
B. Destroyed
C. Neither
What is C. Neither
300
One Piece of evidence to support continental drift is that similar ____________ were found on different continents.
What are plants and animals
300
New ocean crust is formed at a _____________.
What is a mid-ocean ridge.
300
At divergent plate boundaries plates move ______________.
What is away from each other
300
at the location of a convergent plate land is
A. Formed
B. Destroyed
C. Neither
What is B. Destroyed
400
This famous scientist was one of the first people to suggest that all the continents were joined together in the past.
Who is Alfred Wegener
400
a rift valley can form where two continental plates are ________.
What is colliding.
400
the two earth processes that occur at divergent plate boundaries are _________ and ___________.
What are earthquakes and volcanoes
400
During convergent boundaries this often happens.
Plates slide under. The term is _____________.
What is subduction.
400
There two land structures are created when two plates slide past one another.
A. Ridge and Bassin
B. Mountains and volcanoes
C. Mountains and Bassins
D. Ridges and valleys
What are A. Ridges and Bassins
500
Harry Hess's theory of ______________ supports that the ocean floor moves apart from itself.
What is seafloor spreading
500
Where Earth's plates move, they may slide alongside one another, pull apart, or ____________.
What is collide.
500
One classic example of a divergent bounary is
What is the Mid-Atlantic Ridge
500
Convergent boundaries can happen in three ways. Name the three ways that convergent boundaries can collide. (hint: Think about the types of plates there are only two.)
What are ocean-ocean, ocean-continent, continent-continent
500
The circulation of material caused by differences in temperature and density is called ______________.