Rocks and Plates Facts
What rocks are formed from cooling magma?
Igneous rocks
What is the plate Africa is on called?
The African Plate
What is the theory of continental drift also known as?
Plate Tectonics
Where are plate tectonics located?
All over the surface of Earth
What is a chain of volcanoes called?
A hotspot
What are the two types of crust?
Continental and Oceanic
What is the plate Europe is on called?
The Eurasian Plate
What is the original supercontinent of Earth called?
Pangaea
What grows as fast as a plate tectonic moves?
Your fingernails
At what boundaries do volcanoes occur?
Convergent and divergent
What are the different types of plate boundaries?
Convergent, divergent, and transform
What is the plate Antarctica is on called?
The Antarctic Plate
Tectonic Plates move which of Earth's layers?
The crust (The lithosphere is also correct)
What do we use to measure plate tectonic movement?
GPS stations
At what boundary do we see lots of earthquakes AND mountains being formed?
Convergent (with 2 continental plates)
How many major tectonic plates are there on your world map?
7
What is the plate under Washington state called?
The North American Plate
What boundary forms new ocean floor?
Divergent
What is it called when one tectonic plate goes under another?
Subduction
What type of boundary caused Mt. St. Helens to erupt?
Convergent
What is the most common rock found in the continental crust?
Granite
What is the plate west of South America called?
The Nazca Plate
What is the area containing the crust and upper mantle called?
The Lithosphere
Plate Tectonic movements are caused by what forces in the mantle?
Convection currents (or the cycling of heat)
What often happens at transform boundaries?
Earthquakes (and faults)