Guess the Guess the Covered Covered

WordWordch. 8 Lessons 1-3ch. 8 Lessons 1-3

Air pressure ____________ as altitude increases.

decreasesdecreases

nitrogennitrogen

About 8/10 of air is made of this gas

Which is a highly destructive, severe

weather storm- hurricane or tornado?

hurricanes & hurricanes & tornadoestornadoes

oxygenoxygenAbout 2/10 of air is made of this

gas

The layer where most

weather occurs

tropospheretroposphere

5 layers of the atmosphere

eexospherexospheretthermospherehermospheremmesosphereesospheresstratospheretratospherettroposphereroposphere

In a ______________ gases or liquids rise & sink in a circular path due to differences in

temperature.

convection convection currentcurrent

type of front that does not move very much or moves back & forth

stationary frontstationary front

band of very fast wind formed by different temps. between convection currents jet jet

streamstream

Which can last for minutes- hurricane

or tornado?

tornadotornado

boundary between 2 air masses

frontfront

How tornadoes How tornadoes formform

1. Layers of wind blow at different 1. Layers of wind blow at different speeds &/or directionsspeeds &/or directions

2. Column of air between starts to spin 2. Column of air between starts to spin (funnel cloud)(funnel cloud)

3. Upward winds lift 1 end up- 3. Upward winds lift 1 end up- downward winds push other end downdownward winds push other end down

severe thunderstorms or hail may occur

severe storm watchsevere storm watch

What occurs as air moves from a place of high air pressure to a

place of low air pressure?

windwind

Funnel cloud that touches Earth

tornadotornado

air mass that is warm, dry, and forms over landcontinental continental tropical air masstropical air mass

Which is larger- a hurricane or

tornado?

hurricanehurricane

Which can have faster winds- a

hurricane or tornado?

tornadotornado

GREAT GREAT JOB!JOB!