Instruments
Masses and Fronts
Water Cycle
Clouds
Atmosphere
100

This instrument measures air pressure

Barometer

100

These air masses form over water.

Maritime

100

Liquid to a Gas

Evaporation

100

Wispy, feathery clouds that indicate fair weather

Cirrus

100

Layer of the Atmosphere where humans live

Troposphere

200

This instrument measures wind speed.

Anemometer

200

A boundary where air masses meet

Front

200

Gas to a Liquid

Condensation

200

Clouds that form in flat layers that may produce rain or snow as they thicken

Stratus

200

Coldest layer of the atmosphere

Mesosphere

300

This instrument measures humidity

Psychrometer or Hygrometer

300

These fronts typically give rise to severe storms

Cold Fronts

300

Temperature at which condensation begins and clouds form.

Dew Point

300

These clouds often produce thunderstorms

Cumulonimbus

300

Warmest layer of the atmosphere

Thermosphere

400

This is defined as the average kinetic energy of particles.

Temperature

400

These fronts typically bring higher temperatures and more humid weather conditions.

Warm Front

400

Solid to a Gas

Sublimation

400

Lines joining places on a map that have the same temperature

Isotherms

400
Layer of the atmosphere where ozone exists

Stratosphere

500

When air moves from areas of high pressure to areas of low pressure _____________ is created.

wind

500

These air masses are fast moving, bring in cold air, and form over land.

Continental Polar Air Mass

500

Evaporation of Plants

Transpiration

500

This pressure system usually brings clear skies and fair weather.

High Pressure System

500

Heat transfer through open space


Heat transfer through direct contact

Radiation


Conduction

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