Social 4º u2

The atmosphere is...

• a mixture of gases that surround Earth.

• a layer of water.

• a layer of rock and metal.

• a mixture of gases that surround some planets.

Troposphere...

• is the coldest layer.

• aurora borealis happens.

• contains the most oxigen.

• protects from objects.

Stratosphere...

• is the coldest layer.

• contains most oxigen.

• aurora borealis happens.

• protects from the Sun rays.

Complete the sentence:

The _________ is what atmosphere is like in a place.

Atmospheric phenomena:

• Air temperature.

• Oceanic.

• Mediterranean.

• Mountain.

It causes precipitation:

• Wind.

• Air temperature.

• Water vapour.

• Snow.

Compete the sentence:

_______ is the movement of air.

The combination of special devices is called:

• Weather station.

• Climate.

• Weather.

It measures wind speed:

• Wind vane.

• Rain gauge.

• Thermometer.

• Anemometer.

A thermometer mesaures...

• wind direction.

• air temparature.

• wind speed.

• the amount of precipitation.