Physics Quiz: Air Pressure, Density, and Temperature

What is the relationship between air pressure and altitude?

• Random relationship

• Direct relationship-when one goes up, the other one goes up

• Inverse relationship-when one goes up, the other goes down

• No relationship

How does an increase in temperature affect air pressure?

• Has no effect

• Remains the same

• Increases

• Decreases

What factors affect air density?

• Wind speed, altitude, and cloud cover

• Oxygen levels, carbon dioxide, and nitrogen

• Geographical location, time of day, and air pollution

• Temperature, pressure, and humidity

How does air density change with altitude?

• Air density fluctuates randomly with altitude.

• Air density decreases with altitude.

• Air density increases with altitude.

• Air density remains constant with altitude.

What is the relationship between air density and temperature?

• Air density decreases when temperature remains constant

• As temperature increases, air density increases

• Air density and temperature are not related

• As temperature increases, air density decreases

When a liquid boils, its particles get ____. This may be due to the ____ in pressure.

• further apart; decrease

• closer together; decrease

• further apart; increase

• closer together; increase

When a liquid freezes, its particles get ____. This could result from the pressure ____.

• farther apart; decreasing

• closer together; decreasing

• farther apart; increasing

• closer together; increasing

The table indicates (shows) the percentages (amount) of some gases in the atmosphere of Mars. Which gas in the atmosphere of Mars is the primary (main) gas found in the atmosphere of Earth?

• carbon dioxide

• nitrogen

• argon

• methane

A weather balloon is about 2 meters wide when it is near the ground. It grows to about 6 meters wide at higher altitudes. Which change MOST likely makes the balloon become wider at higher altitudes?

• More gases enter the balloon.

• The gas inside the balloon gets much hotter.

• The air pressure surrounding the balloon decreases.

• Sunlight breaks down the material of the balloon.

Which graph BEST illustrates (shows) the relationship of altitude and temperature in the lowest layer of the atmosphere of Earth?

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