Which temperature zone of the atmosphere contains this ozone layer?

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Presentation transcript:

Which temperature zone of the atmosphere contains this ozone layer? The altitude of the ozone layer near the South Pole is 20 kilometers above sea level. Which temperature zone of the atmosphere contains this ozone layer? (1) troposphere (3) mesosphere (2) stratosphere (4) thermosphere

Air Pressure CAN CHANGE! The weight of air. Measured with a barometer in millibars or inches of mercury. Decreases with altitude (less air). CAN CHANGE!

Air’s density changes with temperature

REMEMBER… heat HOT IS LESS DENSE

What happens to the air over your head as temperature increases? WARMER atmosphere HOT atmosphere COOL atmosphere What happens to the air over your head as temperature increases?

HOT atmosphere As temperature increases the molecules spread out. There is less mass in the volume.

Heat makes molecules expand. Hot air is less dense. Heat = Air Pressure 21o C - 4o C Which coffee can barometer is in the cold air?

Storm is warm!

Air pressure decreases as (1) temperature decreases (2) temperature increases (3) density increases (4) air weighs more