WeatherWeatherStudy Guide Study Guide

Section 1: VocabularySection 1: Vocabulary

2 points each (matching)2 points each (matching)

What are all the particles of air What are all the particles of air pressing on a surface?pressing on a surface?

Air pressureAir pressure

What is the layer of air that What is the layer of air that surrounds our planet?surrounds our planet?

The atmosphereThe atmosphere

What is another name for the What is another name for the amount of water vapor in the air?amount of water vapor in the air?

humidityhumidity

What is the name of the layer What is the name of the layer of the atmosphere closest to of the atmosphere closest to

the Earth where most weather the Earth where most weather occurs?occurs?

TroposphereTroposphere

Layer closes to the Layer closes to the earthearth

Weather happens in Weather happens in this layerthis layer

Live and breathe air in Live and breathe air in this layerthis layer

Air temperature Air temperature decreases as you go decreases as you go higherhigher

What is the 2What is the 2ndnd closest layer of closest layer of the atmosphere to the Earth?the atmosphere to the Earth?

StratosphereStratosphere

Airplanes travel in this Airplanes travel in this layer to avoid bad weatherlayer to avoid bad weather

Contains most of the Contains most of the atmosphere’s ozoneatmosphere’s ozone

Ozone protects living Ozone protects living things from harmful rays of things from harmful rays of the sunthe sun

Temperature increase with Temperature increase with heightheight

What is the 3What is the 3rdrd closest layer of closest layer of the atmosphere to the Earth the atmosphere to the Earth

which is also the coldest layer?which is also the coldest layer?

MesosphereMesosphere

Temperature Temperature decreases with decreases with heightheight

Coldest layer of the Coldest layer of the atmosphereatmosphere

What is the hottest, outermost What is the hottest, outermost layer of the atmosphere?layer of the atmosphere?

ThermosphereThermosphere

Hot, outermost layerHot, outermost layer Temperature increase Temperature increase

quickly with heightquickly with height

What is the way that the What is the way that the atmosphere traps heat to warm atmosphere traps heat to warm

land and oceans called?land and oceans called?

Greenhouse EffectGreenhouse Effect

What are huge bodies of air What are huge bodies of air called?called?

Air MassesAir Masses

What do we call the place What do we call the place where two air masses meet? where two air masses meet?

A frontA front

What are the high, wispy clouds What are the high, wispy clouds that signal cool, fair weather?that signal cool, fair weather?

CirrusCirrus

What are the puffy clouds that What are the puffy clouds that often signal clear, warm days?often signal clear, warm days?

CumulusCumulus

What are the tall, dark clouds What are the tall, dark clouds that signal thunderstorms?that signal thunderstorms?

CumulonimbusCumulonimbus

Dense cumulus cloud Dense cumulus cloud with a hazy outlinewith a hazy outline

Usually producing Usually producing heavy rain, heavy rain, thunderstorms, or thunderstorms, or hailstormshailstorms

What are the low, grey clouds What are the low, grey clouds often occurring along warm fronts often occurring along warm fronts sometimes bringing rain or snow?sometimes bringing rain or snow?

StratusStratus

Dark gray clouds that Dark gray clouds that form a low layerform a low layer

Sometimes bring rain Sometimes bring rain or snow showersor snow showers

Section 2: Science Section 2: Science ConceptsConcepts

5 points each5 points each

What are the four layers of the What are the four layers of the atmosphere?atmosphere?

The four layers of the atmosphere The four layers of the atmosphere are:are:

TroposphereTroposphere StratosphereStratosphere MesosphereMesosphere ThermosphereThermosphere

What instruments do What instruments do meteorologists use to forecast meteorologists use to forecast

weather?weather?

AnemometerAnemometer

Measures wind speedMeasures wind speed The cups catch the The cups catch the

wind, turning a dial wind, turning a dial attached to the attached to the instrument.instrument.

The dial shows the The dial shows the wind speed.wind speed.

BarometerBarometer

Measures air pressureMeasures air pressure

HygrometerHygrometer

Measures the amount Measures the amount of humidity in the air.of humidity in the air.

In which layer of the atmosphere In which layer of the atmosphere does most weather occur? does most weather occur?

tropospheretroposphere

What is the cloud type that What is the cloud type that usually brings heavy rain?usually brings heavy rain?

cumulonimbuscumulonimbus

What does warm air do when What does warm air do when affected by cooler air?affected by cooler air?

Warm air can be characterized as Warm air can be characterized as forced upward by cooler air and it forced upward by cooler air and it

exerts low pressure.exerts low pressure.

Describe the water cycle.Describe the water cycle.

The water cycle consists of four different The water cycle consists of four different events that constantly repeat themselves. events that constantly repeat themselves.

(Be able to describe each one).(Be able to describe each one).

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