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?

An area on Earth’s surface that is much higher than the land around it
What is a mountain?

A storm with thunder and lightning and typically also heavy rain or hail.
What is a thunderstorm?

A flat area on Earth’s surface
What is a plain?

A prolonged period of abnormally low rainfall, leading to a shortage of water
What is a drought?
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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Slow moving huge bodies of ice formed due to the compression of the snow layers
What are glaciers?

A depression or hole in the ground caused by some form of collapse of the surface layer
What is a sink hole?

A lowland area between higher lands such as mountains.
What is a valley?

An overflowing of a large amount of water beyond its normal confines, especially over what is normally dry land
What is a flood?

A mobile, destructive vortex of violently rotating winds having the appearance of a funnel-shaped cloud
What is a tornado?

The breaking down of rock and soil on the surface of a hill, usually by the force of water, wind, or ice
What is landslide?
Occurs when masses of rock, earth, or debris move down a slope
What is a landslide?

A deep valley with very steep sides
What is a canyon?

A system of winds rotating inward to an area of low atmospheric pressure
What is a cyclone?
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A severe rotating storm with high speed winds that forms over warm waters in tropical areas
What is a tropical cyclone or hurricane?

A fire that consumes forest
What is an wild fire?
A severe snowstorm with high winds and low visibility
What is a blizzard?

A flat area higher than the land around it
What is a plateau?

A large, destructive fire that spreads quickly, usually in a wilderness or a rural area
What is a wildfire?

A long high sea wave or series of waves caused by an earthquake, submarine landslide, or other disturbance
What is a tsunami?

A process that occurs when a big amount of Snow falls dwon with strength by the Mountain
What is a delta?

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?

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?

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?
