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- 1. Multiple Choice
At night, low temperatures can cause rocks to:
expand
melt
contract
squeeze
- 2. Multiple Choice
Rapid erosion in the desert is caused by:
loose soil
dense vegetation
hot temperatures
humid weather
- 3. Multiple Choice
Plants can cause weathering by:
splitting rocks with their roots
dissolving rocks with waste chemicals
growing on top of rocks
rubbing against rocks during wind storms
- 4. Multiple Choice
The focus of an earthquake is the:
center of the earthquake
point underground where the earthquake starts
point on the surface directly above the earthquake
direction the seismic waves travel
- 5. Multiple Choice
Sections in the crust bend sharply to form mountains as a result of:
weathering
volcanoes
erosion
folding
- 6. Multiple Choice
Erosion piles up in low places to form:
soil and sand
lava and soil
magma and silt
sand and lava
- 7. Multiple Choice
Some desert areas can grow crops as a result of:
mitosis
erosion
irrigation
worn soil
- 8. Multiple Choice
Small pieces of rock often break down further through:
folding
weathering
irrigation
volcanoes
- 9. Multiple Choice
Water freezing in the cracks of a rock can cause:
chemical weathering
faulting
erosion
physical weathering
- 10. Multiple Choice
Which of the following does not cause erosion?
chemicals
wind
water
glacier
- 11. Multiple Choice
The surface changes which result from weathering are:
usually fast
usually slow
not noticeable
- 12. Multiple Choice
Movement along the San Andreas Fault causes:
folding
earthquakes
magma
- 13. Multiple Choice
In which direction(s) does the ground shake during an earthquake?
back and forth
sideways
up and down
all of the above
- 14. Multiple Choice
After the first (main) earthquake, other smaller shocks may occur at times for:
several hours
about a day
several weeks
almost a year
- 15. Multiple Choice
If you hear on the news that the epicenter of an earthquake is at "Union City," this means:
the earthquake started directly below Union City
the earthquake's focus was at the surface in Union City
the earthquake destroyed Union City
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