Plate Tectonics 1
What do you call the area where two tectonic plates meet?
What is a plate boundary
A subduction zone is an example.
What is convergent/ destructive boundary.
What is molten rock that is under the Earth's surface?
What is magma
It has sides that are wide and flat.
What is a shield volcano
What is molten rock that flows out of a volcano or volcanic vent?
Lava flow
What is a boundary where two plates slide along/ past each other?
What is transform boundary
This is made of Earth's crust and upper mantle.
What is the lithosphere
What is a horizontal layer of hardened volcanic rock?
What is a sill
What kind of volcano has lava which is too thick to flow a great distance and piles up at the vent?
What is a lava dome volcano
Released from volcanoes that can be poisonous when inhaled.
What is volcanic gas
..................... currents are a key to explaining plate tectonics.
What is convection
Their densities are similar and result in both plates pushing upward into mountains.
What is continental plates/crust
What is a hardened reservoir of molten rock underground called?
What is a batholith
Which volcano is built by alternating layers of lava and ash and can create explosive eruptions?
What is a composite volcano.
What is massive mudflows caused by volcanic ash and water from rain?
What are lahars
What do you call cracks that are made in plates from all of the pushing and shoving?
What are faults
What formed when the Indo-Australian plate collides with the Eurasian plate?
What is the Himalayas
Formed on the Earth's surface when lava erupts from a volcano.
What are extrusive features
What type of volcano is Mauna Loa on the Big Island of Hawaii?
What is a shield volcano
The name for rock, ash and other materials ejected from a volcano.
What is tephra
Continental drift occurs because of?
What is sea-floor spreading
This is where the youngest rocks on the ocean floor can be found.
What are mid-ocean ridges.
What is a lava plateau
What type of volcano is Parlicutin in Mexico?
What is a cinder cone volcano
Submarine volcanic eruptions can impact coastal areas in this way.