Tectonic Plates 1
In this type of boundary, plates are moving towards each other.
Convergent plate boundaries
In this type of plate boundary, plates are moving apart
What are divergent plate boundaries
What is the thinnest part of the earth?
The crust
Name two types of landforms.
What is hills, mountains, canyons, valleys?
Plate tectonics is the theory that states the earth's crust is made of large sections moving over the mantle.
True
Where do tectonic plates interact?
Boundaries
What lies directly beneath the crust
The mantle
What is the liquid part of the earth called?
The outer core
True or false!
Tectonic plates still move today but very fast!
False!
Harry Hess was the first theorist to look at plate tectonics.
False
The process by which new oceanic crust forms when magma rises up and solidifies at the mid-ocean ridge...
What is seafloor spreading?
Earthquakes happen because of
Transform boundaries sliding past eachother
The theory they all of Earth's continents were once joined together into a single large landmass and then started drifting away from each other, forming the continents is...
What is the continental drift?
Name two types of natural disasters that occur at plate boundaries!
What is earthquakes, volcanoes, tsunamis?
Mountain ridges form when an oceanic and a continental plate collides.
False
Transform boundaries create this
Earthquakes
Divergent plate boundaries create this
Mid ocean ridges
What are the cracks in the earth where plates slide against one another?
Fault lines
True or False!
Subduction is when one tectonic plate converges under another due to density differences.
True!
There is only one type of crust: continental.
False. There are two, continental and oceanic.
A continental plate converging with a continental plate creates this
Mountains
The single huge supercontinent that existed millions of years go when all of the Earth's continents were joined together is called...
What is a Pangaea?
What is subduction?
What do seismologist study?
What is earthquakes?
True or False?
True. Because it is always good to be positive.