Vocabulary
Define the word continent
A continent is one of the main landmasses of the globe.
How many layers of the Earth are there?
Define the word oceanic
Oceanic means of, living in, or produced by the ocean.
How many continents are on Earth?
7
Define the word seismologist
A seismologist is a person who studies earthquakes.
Name all four layers of the Earth
Crust, mantle, outer core, and inner core.
Define the word continental
Continental means of or of the nature of a continent.
Which continent are we on right now?
North America
Define the phrase divergent boundary
A divergent boundary is a tectonic plate boundary where two plates are moving away from each other.
Is it possible to drill down to the center of the Earth? Why or why not?
No. The ground becomes too hot and our man-made machines stop working.
Define the word fault
A fault is a fracture, or break, in the Earth's crust along which there has been movement and displacement.
What is the name of the fault that is slowly moving its way towards Alaska?
San Andreas fault
Define the phrase convergent boundary
A convergent boundary is a tectonic boundary where two plates collide with each other.
Which country drilled the furthest into the crust?
Russia
What is it called when two plates are moving away from each other?
Divergent Boundary
Name one tectonic plate from our notes
Gorda Plate, Juan de Fuca Plate, North American Plate, Pacific Plate, Farallon Plate.
Define the word subduct
Subduct is when a light tectonic plate collides with a dense tectonic plate. The dense plate goes under the light plate.
What is the furthest distance we have drilled into Earth's crust?
7.6 miles
What happened to the Farallon Plate?
It subducted under the North American Plate and disappeared.
Name all 7 continents.
Asia, Australia, Africa, Antarctica, Europe, North America, and South America.