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Worksheetslandslides
Total questions: 28
Worksheet time: 31mins
Freezing and thawing of rocks can cause a landslide.
pick the pretty ones.
Landslides occur when
masses of rock, earth, or debris move down a slope.
Burning of fossil fuels
wind ditrection
poor water management
Landslides occur when
masses of rock, earth, or debris move down a slope.
Burning of fossil fuels
wind ditrection
poor water management
What is a landslide?
a shaking of Earth
soil, rock, and debris sliding down a slope
an opening in Earth similar to a sinkhole
an eruption of lava
Which of these is NOT a contributing factor to landslides?
water
a trigger
gravity
unstable surface
Which choice is a man-made trigger of landslides?
Earthquake
Volcanoes
Blasting
Erosion
Why do avalanches happen?
Tremors from far away earthquakes shake snow and ice loose
Heavy rainfall weighs down on existing snow turning it to ice and it slides down
Vibrations from loud sounds shatter old ice sheets causing them and the snow on them to fall
Heavy snowfall lands on layers of old snow and ice causing them to become unstable
Where do avalanches occur?
Mountains
Deserts
Lake regions
Polar ice cap
What part of an avalanche might you see if you go into the mountains?
Signs detailing the risk of an avalanche
Goats and fir trees
First aid stations and wayhouses
Stations where you can stop and ask directions
When are avalanches most likely to happen?
After a heavy snow storm drops at least 12 inches of new snow on top of old snow
After an earthquake
After a rain storm drops at least 12 inches of water on top of old snow
After major celebrations that include fireworks
What are sinkholes?
Holes that form at the bottom of the ocean
Holes that form in the ground when rocks and dirt are washed away under the surface
Holes that form near coastlines when the waves are very high
Small holes that form at the mouths of rivers and are hard to find
A large mass of ice formed from snow, moving very slowly over time.
Volcano
Glacier
Pangea
Fossil
To prevent of reduce damage to your home, what kind of preparation can be made to your home before a hurricane hits?
Secure lawn furniture and other outside objects
Board your windows
Use sandbags around the front and back door and garage.
All of the above
What can hurricanes cause?
rainstorms
flooding
strongwinds
all of the above
