Feel the Pressure

Our atmosphere is about __ percent oxygen

In which layer of the atmosphere do humans reside?

• Troposphere

• Thermosphere

• Stratosphere

• Mesosphere

Standard Atmospheric Pressure is 760 mmHg, which is equivalent to

• 1 atm

• 34 feet

• 34 inches

Tags

NGSS.MS-ESS2-5

Being at sea level on Earth is like being at the _____ end of the "atmospheric pool."

• shallow

• deep

• depends on the weather

• up

Water boils at 100°C or 212°F at sea level. In Tahoe, water boils at a _____ temperature.

• lower

• higher

• the same

• depends on the weather

Bernoulli's Principle states that as a fluid moves faster, its pressure _______.

• increases

• decreases

• remains constant

• becomes unstable

Which device measures atmospheric pressure?

• Manometer

• Parameter

• Stratometer

• Barometer

High pressure weather systems result from ​ (a)   columns of air that produce ​ (b)   skies. Low pressure systems, however, result from ​ (c)   columns of air that produce ​ (d)   skies.

• sinking
• sunny
• rising
• cloudy

Tags

NGSS.MS-ESS2-6

NGSS.MS-ESS2-5

Explain what would happen to the column of mercury in the barometer as shown if the atmospheric pressure fell.

• As the pressure falls, the column of mercury will drop lower.
• As the pressure falls, the column of mercury will remain unchanged.
• As the pressure falls, the column of mercury will rise higher.
• As the pressure falls, the density of the mercury will increase.

Tags

NGSS.MS-ESS2-5

Use the pictured manometer to answer this question. The pressure in the room is 750 mmHg. h in diagram is equivalent to 40 mm. What is the pressure in the closed flask?

• 790 mmHg

• 710 mmHg

• 750 mmHg

• 40 mmHg