A snow age is a period of time when much of the Earth’s land is covered in glaciers.
A: True
B: False
A ____________________ is a thick ice mass that moves slowly over the land surface.
The glacial budget is the balance or lack of balance between accumulation at the head of a glacier and loss, or wastage, at the foot
A: True
B: False
Although chemical weathering occurs in deserts, _____________________ is far more dominant in shaping desert landscapes.
An alluvial fan is a fan-shaped deposits of sediments formed when a stream’s slop[e is abruptly reduced
A: True
B: False
A __________________ is a flat area on the floor of an undrained desert basin that fills and becomes a lake after heavy rain.
Wind erodes land surfaces in two ways. Name them!
WIndblown silt can be build up, forming thick deposits called what ?
Which of the following isn’t a real sand dune?
A: barchan dunes
B: latitudinal dunes
C: transversal dunes
D: parabolic dunes
What is known as the vibration of the earth produced by the rapid release of energy within the lithosphere?
A: blizzard
B: mudflow
C: earthquake
The point within earth where an earthquake starts is called the focus
A: True
B: False
_______________ are fractures in earth where movement has occurred
A(n) ________________________ is an earthquake that occurs sometimes soon after the major earthquake.
Foreshocks can happen days, weeks or even months before the major quake
A: True
B: False
Earthquakes produce 2 main types of seismic waves. Name them!
There are 2 types of body waves. Name them!
17. The Greek word “seismo” means what?
18. A seismogram is an instrument that records seismic waves
A: True
B: False
19. A seismograph is the record made by a moment magnitude
A: True
B: False
20. The ____________________ ______________ and the moment magnitude scale
measure earthquake magnitude.
21. If Los Angeles had a moment magnitude reading of 2.5, the results would be?
A: generally not felt
B: rarely felt
C: destructive in built-up areas
22. If New York City had a moment magnitude reading of 5.5, the results would be?
A: generally not felt
B: potentially perceptible
C: can be damaging shocks
23. If E. St. Louis, Illinois had a moment magnitude reading of 6.4, the results would be?
A: generally not felt
B: rarely felt
C: destructive in built-up areas
24. Earthquake -related hazards include seismic shaking, liquefaction. Landslides,
__________________ and tsunamis
25. Define the term, “liquefaction”!
26. A _______________________ is a wave formed when the ocean floor shifts suddenly during an earthquake.
27. The earth’s interior consists of 3 major layers defined by their chemical composition. Name them!
28. Out of these 3 layers of the earth, which is the highest in volume?
29. Which of the following isn’t a real layer of the earth, based on physical properties?
A: lithosphere
B: middle core
C: inner core
30. The outer core is a solid layer of the earth.
A: True
B: False