Natural Disasters I
Landforms I
Natural Disasters II
Landforms II
Natural Disasters III
100
A sudden and violent shaking of the ground as a result of movements within the earth's crust or volcanic action
What is an earthquake?
100
An area on Earth’s surface that is much higher than the land around it
What is a mountain?
100
A storm with thunder and lightning and typically also heavy rain or hail.
What is a thunderstorm?
100
A flat area on Earth’s surface
What is a plain?
100
A prolonged period of abnormally low rainfall, leading to a shortage of water
What is a drought?
200
A violent discharge of hot materials (lava and gas) from the Earth's interior out of a volcano
What is a volcanic eruption?
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200
Areas in which there is a shortage of moisture available for plants. There is no precise measure of how dry such an area must be to be called this.
What is a desert?
200
A depression or hole in the ground caused by some form of collapse of the surface layer
What is a sink hole?
200
A lowland area between higher lands such as mountains.
What is a valley?
200
An overflowing of a large amount of water beyond its normal confines, especially over what is normally dry land
What is a flood?
300
A mobile, destructive vortex of violently rotating winds having the appearance of a funnel-shaped cloud
What is a tornado?
300
The breaking down of rock on the surface of the earth, usually by the force of water, wind, or ice
What is weathering?
300
Occurs when masses of rock, earth, or debris move down a slope
What is a landslide?
300
A deep valley with very steep sides
What is a canyon?
300
A system of winds rotating inward to an area of low atmospheric pressure
What is a cyclone?
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400
A severe rotating storm with high speed winds that forms over warm waters in tropical areas
What is a tropical cyclone or hurricane?
400
It happens when water, wind, and other natural forces cause rocks and earth to wear away.
erosion
400
A severe snowstorm with high winds and low visibility
What is a blizzard?
400
A flat area higher than the land around it
What is a plateau?
400
A large, destructive fire that spreads quickly, usually in a wilderness or a rural area
What is a wildfire?
500
A long high sea wave or series of waves caused by an earthquake, submarine landslide, or other disturbance
What is a tsunami?
500
Slow moving huge bodies of ice formed due to the compression of the snow layers
What are glaciers?
500
A strong, turbulent wind which carries clouds of fine dust, soil, and sand over a large area
What is a dust storm or sand storm?
500
A landform surrounded by water on the majority of its border while being connected to a mainland from which it extends
What is a peninsula?
500
An event that occurs when a cohesive slab of snow lying upon a weaker layer of snow fractures and slides down a steep slope
What is an avalanche?
