Science (4th) Ch. 5 Lesson 4 - Causes Changed by the Weather (vocab & notes)

a great flow of water over land that is usually dry

a swirling column of wind that moves across the ground in a narrow path

a very large, swirling storm with strong winds and heavy rains

a sudden movement of rock and soil down a slope

a large, sudden movement of ice and snow down a hill or mountain

An overflow of water from heavy rainfall onto land that is normally dry is called a ___________.

Flood waters usually com from heavy ________ or ______________.

A storm caused by a narrow column of wind that spins rapidly is called a __________.

A swirling system of winds, huge walls of clouds, and pounding rains is called a ____________.

Hurricanes form over _________________ and can last for many days and stretch for hundreds of _____________.

When heavy rains fall on a mountainside, a ____________ can occur.

A cause of _____________ is ___________, which pulls rocks from high places to low places. They occur __________, without much warning.

The sudden movements of tons of snow and ice move down a mountain during an _____________.

_____________, ______________, and __________ are natural disasters caused by storms.