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Understanding Atmospheric Pressure Concepts

Understanding Atmospheric Pressure Concepts

Assessment

Interactive Video

Physics, Chemistry, Science

9th - 10th Grade

Practice Problem

Hard

Created by

Patricia Brown

FREE Resource

The video tutorial introduces atmospheric pressure, explaining its effects and how it is measured. It covers various units of pressure, such as atmospheres, pascals, bars, and psi, and discusses standard conditions. The tutorial explains how barometers and manometers work, emphasizing the importance of understanding pressure changes. It concludes with a discussion on tire gauges and the difference between gauge and absolute pressure.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the approximate atmospheric pressure exerted on you at sea level?

20 pounds per square inch

25 pounds per square inch

10 pounds per square inch

15 pounds per square inch

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which unit is not commonly used to measure atmospheric pressure?

Kilograms

Pascals

Millimeters of mercury

Atmosphere

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the metric unit for pressure?

Pascal

Bar

PSI

Atmosphere

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

According to IUPAC, what is the standard pressure condition?

One bar

One atmosphere

101.325 kilopascals

100 pascals

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main difference between a barometer and a manometer?

A barometer has no atmosphere inside, a manometer does

A barometer is digital, a manometer is analog

A barometer measures temperature, a manometer measures pressure

A barometer is used for liquids, a manometer for gases

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to the liquid in a barometer when atmospheric pressure increases?

The liquid level rises

The liquid evaporates

The liquid level falls

The liquid level remains the same

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of using mercury in barometers instead of water?

Mercury is cheaper than water

Mercury is denser, requiring a shorter tube

Mercury is more colorful

Mercury is less dense than water

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