6.5 Gas Pressure

When a gas in a closed container is heated, the gas pressure inside increases.

• True

• False

Tags

NGSS.MS-PS1-4

When a gas in a closed container is compressed, the gas particles become smaller.

• True

• False

We do not feel atmospheric pressure because it is too weak to move us.

• True

• False

Some gas is placed inside a closed container with a movable lid. When the container is cooled down, how does the lid move?

• it sinks

• it does not move

• it rises

• cannot be determined

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

On a hot day, a leather basketball filled with air becomes harder because...

• more air particles are present in the ball

• air particles in the ball hit the ball's wall more strongly and more often

• air particles in the ball are held more strongly together

• the leather particles are held more strongly together

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Which of the following quantities may affect the gas pressure in a closed container?

• (1) and (2) only

• (1) and (3) only

• (2) and (3) only

• (1), (2), and (3)

Tags

NGSS.MS-PS1-4

NGSS.MS-PS2-2

NGSS.MS-PS3-1

NGSS.MS-PS3-5

An unopened pack of chips were brought from HK to a place of lower atmospheric pressure. The pack will...

• shrink

• remain the same

• expand

• cannot be determined

The _____ of air particles on the container's wall gives rise to gas pressure.

• hitting

• sticking

• reacting

• heating

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-1

NGSS.MS-PS3-5

Gas pressure ____ when temperature increases

• increases

• decreases

• remains unchanged

Tags

NGSS.MS-PS1-4

The atmosphere exerts an atmospheric ___ on objects on the Earth

• density

• pressure

• energy