Earthquakes are related to cracks in the crust called _________.
Faults
100
The _______ is Earth's hard surface and is very thin.
Crust
100
Name one force/movement that acts on the crust.
Answers vary.
100
Weathering happens when the crust is exposed to ________, _______, and changes in _____________.
water, air, temperature
100
Erosion is:
the carrying away of pieces of weathered rock.
200
During an _________________ the crust on either side, or on both sides, of a fault is in motion.
earthquake
200
Under the crust is the ___________, Earth's thickest layer. The rock material here is _____________, but can flow like a liquid.
mantle, solid
200
____________ stretches or pulls apart the crust.
Tension
200
___________is the breakdown of the materials of Earth's crust into smaller pieces.
weathering
200
Rock can be carried away during erosion by _________, ________, _________, and _____.
gravity, water, wind, ice
300
During an earthquake, _____________ travel through the crust.
The farther away people are from the earthquake, the __________(easier/harder) it is for them to feel the vibrations.
vibrations, harder
300
Below the mantle is Earth's _______. It is in two parts, the _____________ and the __________.
core, inner core, outer core
300
____________ squeezes or pushes together the crust.
Compression
300
If weathering were a superhero, he would be _________
Breaker
300
If Erosion were a superhero, he would be ___________
Whoosh
400
Delicate devices called _______________ can record this motion at locations all around the crust.
seismographs
400
The rock material in the mantle rises and pushes against the bottom of the _______. This movement causes the thin crust to break into pieces, or _________.
crust, plates
400
__________ twists, tears, or pushes one part of the crust past another.
Shear
400
___________ is how high a place is above sea level.
**BONUS**
elevation
400
**BONUS **
A well-known fault in California is called the ________.
San Andreas Fault
500
__________ are scientists who study Earth.
Geologists
500
_______________s and the slow motions of the crust all result from moving plates.
Earthquakes
500
Hot molten rock deep below the Earth's surface, called ________, rises upward. If magma reaches the surface, it may flow out as ________. This material flows out when a volcano erupts.
magma, lava
500
What is the difference between weathering and erosion?
weathering is the breakdown of rock while erosion carries away the rock.
500
**bonus** Name all 3 forces that act on the crust and what each does.