Air Pressure and Its Influences

Air Pressure and Its Influences

Assessment

Interactive Video

Physics

6th - 8th Grade

Hard

Created by

Patricia Brown

FREE Resource

The video tutorial explores the concept of air pressure, also known as atmospheric or barometric pressure, which is caused by the weight of the air pushing down on the Earth. It discusses three main factors affecting air pressure: temperature, humidity, and altitude. Temperature changes affect air density and pressure, with warmer air being less dense and exerting less pressure. Humidity impacts air pressure as water vapor, being lighter than nitrogen, reduces air density and pressure. Altitude affects pressure, with higher elevations having less air pressure due to less air above. The video also provides practical examples, such as the effects of air pressure on eardrums during flights and while swimming.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is another term for air pressure?

Hydraulic pressure

Atmospheric pressure

Magnetic pressure

Thermal pressure

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does an increase in temperature affect air pressure?

Increases air pressure

Doubles the air pressure

Decreases air pressure

Has no effect on air pressure

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to air molecules when the temperature drops?

They expand

They contract

They disappear

They become lighter

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which element is the lightest and affects air pressure when humidity increases?

Hydrogen

Nitrogen

Carbon

Oxygen

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to air pressure when there is more water vapor in the air?

Air pressure increases

Air pressure decreases

Air pressure remains constant

Air pressure doubles

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Who experiences the least air pressure: someone at sea level, on a mountain, or in a canyon?

Someone on a mountain

Someone in a valley

Someone in a canyon

Someone at sea level

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does altitude affect air pressure?

Higher altitude doubles air pressure

Altitude has no effect on air pressure

Higher altitude decreases air pressure

Higher altitude increases air pressure

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