Seismic Activity Vocabulary
Any waves that travel through Earth.
What are Seismic Waves?
The thin, outermost layer of the Earth.
What is the Crust?
Melted or Molten rock that lies beneath Earth's surface.
This extinct mammal, with a woolly coat and large tusks, roamed the ice age landscapes.
What is a Mammoth?
This famous comedian played the Grinch in the 2000 film "How the Grinch Stole Christmas"
Who is Jim Carrey?
Vibrations in the Earth caused by rocks breaking under stress.
What is an Earthquake?
A zone where 2 tectonic plates move TOWARDS each other, resulting in them colliding or one going underneath the other (subduction)
What is a Convergent Boundary?
A series of powerful ocean waves caused by large, sudden displacements of water, usually from earthquakes.
What is a Tsunami?
This semi-aquatic mammal from Australia is one of the few egg-laying mammals.
What is a Platypus?
The name of the Grinch's dog.
This records the movements of the Earth
A zone where 2 tectonic plates move AWAY from each other, resulting in magma flowing up to the surface and forming new crust.
What is a Divergent Boundary?
An opening in the earth's crust through which lava, volcanic ash, and gases escape.
What is a Volcano?
These are Seismic Waves that appear right after an earthquake occurs. They can travel ONLY through solid matter.
What are S-Waves or Secondary Waves?
The layer of Earth’s crust under the oceans. It’s thin, dense, and mostly made of dark basalt rock.
What is Oceanic Crust?
Despite being part of the dolphin family, this apex predator is capable of hunting in coordinated pods.
What is an Orca or Killer Whale?
These are Seismic Waves that appear right after an earthquake occurs. They can travel through solids, liquids, and gases.
What are P-Waves or Primary Waves?
At mid‑ocean ridges, magma rises, cools into new ocean crust, and pushes older crust away — so the ocean floor slowly gets bigger.
What is Seafloor Spreading?
Name Santa's 8 reindeer.
Dasher, Dancer, Prancer, Vixen, Comet, Cupid, Donner, and Blitzen