Air Conditioner

If all of the gas in container A is transferred to a smaller container B, with no change in temperature, the pressure in container B will _________.

• increase

• decrease

• not change

• become equal to the outside air pressure

Which statement is true about a small glass and a large glass filled with water that is the same temperature?

=

• Both glasses contain the same amount of heat

• The large glass has more heat than the small glass

• There is no way to determine which glass has more heat

• The small glass has more heat than the large glass.

3.

The picture shows the moving molecules in a beaker containing a liquid.

What will happen if the molecules increase their speed?

• The liquid will change into a solid.

• The temperature of the liquid will rise.

• The temperature of the liquid will fall.

• The molecules wil gain mass.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

If a gas is compressed and heated, the pressure increases. This is due to which of the following?

• gas molecules evaporating

• gas molecules striking the walls of the container

• gas molecules condensing

• more molecules of gas being produced

Tags

NGSS.MS-PS1-4

Water is liquid at 25°C and boils at 100°C. What best describes the molecules of water at 0°C ?

• The particles are spread very far apart.

• The particles are close together and do not move

• The particles are free to move easily past each other.

• The particles are in fixed positions.

Tags

NGSS.MS-PS1-4

Which is an example of condensation?

• Emily puts a water bottle in the icebox and forgets about it.

• Kubrick's soda can is wet five minutes after he takes it out of the fridge.

• Steam rises from a field of snow

• The water level of a swimming pool decreases on a hot summer day.

Tags

NGSS.MS-PS1-4

Which is an example of deposition?

• Steam rises from a field of snow.

• Licci's soda can is wet five minutes after she takes it out of the fridge.

• Drake finds frost on the window of his car.

• The water level in a swimming pool drops on a hot summer day.

How will the rising of a hot air balloon in cold air be different than if it rises in warm air?

• It will rise faster in cooler air.

• It will rise more slowly in cooler air.

• There will be no difference.

• It will sink in cool air and rise in warm air.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which is an example of sublimation?

• Steam rises from a field of snow.

• Sara's soda bottle is wet 5 minutes after she takes it out of the fridge.

• The water level of a swimming pool drops throughout the summer.

• Mr. Goldstein finds frost on his car windows.

Tags

NGSS.MS-PS1-4