Earth's Layers
What is Earth’s deepest layer?
Inner Core
What is the biggest tectonic plate on Earth?
Pacific Plate
what is a fault?
A fault is a fracture, or crack, in Earth’s crust.
What causes a Tsunami?
Earthquake at sea
What kind of rock helps prove that continents drift apart that lies on the bottom of the Ocean.
Basalt
The layer that surrounds the outer core and is the largest layer made up of very hot, very dense rock.
Mantle
Where are tectonic plates located?
Crust
where do most faults occur?
Most faults occur along the boundaries of tectonic plates.
True or false: Tsunamis travel slow
false
Who theorized Pangea?
Alfred Wegener
The layer outside the mantle.
Crust
What are the three main ways tectonic plates move?
slide past each other, collide, move apart
What is the name of the most famous fault in the world?
San Andreas Fault
True or False: Scientists can warn people about an incoming Tsunami.
True
What is the name of the giant Continent Alfred Wegener thought existed?
Pangea
The layer after the inner core that is made of hot metal, but it’s liquid, not solid.
Outer Core
What is collision?
when two continental plates are shoved together
How do they measure the magnitude of earthquakes?
Richter Scale
Which crust causes Tsunamis?
Oceanic Crust
The theory of plate tectonic proves what other theory?
Continental Drift/ Pangea
Which crust is heavier, Oceanic or Continental?
Oceanic
what is Subduction?
when one plate plunges beneath another
How do scientists measure an earthquakes strength or magnitude?
Seismograph
True or False: Tsunami's only occur at one country.
False
Who wrote about an Earthquake in1348 CE?
Francesco Petrarch