A __________ is a tropical storm with winds that have reached a constant speed of 74 miles per hour or more.
hurricane
A __________ is an overflow of a large amount of water beyond its normal limits, especially over what is normally dry land.
flood
A _________ is an extremely large wave caused by a violent movement of the earth under the sea
tsunami
An __________ a large amount of ice, snow, and rock falling quickly down the side of a mountain
avalanche
A __________ is a strong, dangerous wind that forms itself into an spinning cone and is able to destroy buildings
tornado
An _____________ is a sudden violent movement of the earth's surface, sometimes causing great damage
earthquake
