An extremely hot solid sphere of mostly iron and nickel
a) outer core
b) crust
c) inner core
d) mantle
c) inner core
The place where two tectonic plates meet.
a) border
b) boundary zone
c) line
d) meeting
b) boundary zone
The name of the supercontinent
What is Pangaea?
A break in rock along the Earth's crust.
a) plat boundary
b) volcano
c) mid-ocean ridge
d) fault
What is a d) fault?
These seismic waves travel fastest during an earthquake
What are P waves?
Hard and rigid; outermost layer
a) crust
b) mantle
c) inner core
d) outer core
a) crust
Type of boundary when two plates move apart
What is a divergent boundary?
The scientist who proposed the theory of continental drift
Who is Alfred Wegener?
True or False:
Oceanic crust is more dense than continental crust.
What is true?
Is the point on Earth's surface directly above an earthquake's starting point
a. Epicenter
b. Focus
c. Fault
What is the epicenter?
semi-liquid layer; part of lower mantle where convection currents occur
a) crust
b) lithosphere
c) asthenosphere
d) mantle
c) asthenosphere
Type of boundary when one plate slides past another plate (ex. San Andreas Fault)
What is a transform boundary?
Wegener used many pieces of evidence to support his claim. Name one piece of evidence he used.....
What is fossils, rock layers, climate, or puzzle pieces?
1- Tension
2- Compression
3 - Shearing
a) convergent collision
b) divergent
c) transform
d) subduction
What is b) divergent?
a) conduction currents
b) convection currents
c) hot air balloon
d) earth's magnetic field
b) convection currents
Type of boundary when one plate sinks below another plate.
What is a convergent subduction zone?
At a mid ocean ridge the rock farthest from the mid ocean ridge is older than the rock closest to the mid ocean ridge. True or False?
What is true?
Which volcano shown above is the oldest?
a) 1
b) 2
c) 3
d) 4
What is A) 1?
In order to locate the epicenter of an earthquake you must have data recorded from this many seismograph stations
What is 3?
Scientists are able to study the interior of the earth because of ---
a) Sonar
b) GPS
c) seismic waves
d) they have dug a super, super, super deep hole
What is c) seismic waves?
The Appalachian Mountains were formed from this type of plate boundary.
What is a convergent collision plate boundary?
Wegener had evidence, but what was he unable to explain.
What is HOW the continents moved?
a) volcanic islands
b) folded mountains
c) mid-ocean ridge
What is a) volcanic islands?
A volcano like the one pictured most likely formed at this type of plate boundary......
a. Transform
b. Convergent (continental - continental)
c. Divergent
d. Subduction (continental - oceanic)
What is d. subduction?