Atmosphere and Weather Variables Flashcard

Front

78% of the Earth's atmosphere is ___________ and 21% of the Earth's atmosphere is _____________.

Back

Nitrogen, Oxygen

Front

The force exerted by the weight of air molecules in the atmosphere pressing on the Earth's surface is called ___________.

Back

Air pressure

Front

What challenges do athletes face with oxygen intake when performing at high altitudes?

Back

Reduced oxygen availability due to lower atmospheric pressure.

Front

Altitude is best defined as __________.

Back

The height above Earth's surface or sea-level

Front

The general relationship between altitude and temperature in the troposphere shows that temperature __________ with increasing altitude.

Back

decreases

Front

The layer of the atmosphere where weather occurs is called __________.

Back

Troposphere

Front

The gas that is essential for human respiration and makes up 21% of the Earth's atmosphere is __________.

Back

Oxygen

Front

The measure of the average kinetic energy of air molecules is known as __________.

Back

Temperature

Front

The phenomenon where warm air rises and cool air sinks, creating wind patterns, is called __________.

Back

Convection

Front

The amount of water vapor present in the air is referred to as __________.

Back

Humidity