Fluids

The term fluids generally applies to:

• solids and liquids

• liquids and gases

• solids and plasma

• solids and gases

The upward force exerted by a fluid is called the:

• buoyant force

• density force

• fluid force

• normal force

Fluids flow (check all that apply):

• when warmed up.

• until they become solid.

• until evenly spread out.

• from high toward low pressure.

Tags

NGSS.MS-PS2-5

What happens when air is warmed?

• It sinks down

• It remains where it is

• It starts rising

• it moves in all directions equally

Tags

NGSS.MS-ESS2-6

NGSS.MS-ESS2-5

All of the following are true about air EXCEPT:

• Air has mass

• Air takes up space

• Air can be heated or cooled

• Air is the same thing as oxygen

Tags

NGSS.MS-ESS2-6

Which property of air is being used when filling up a tire?

• The oxygen in air is needed for burning

• Air creates resistance to things moving

• Air has mass

• Air occupies space

What is wind?

• moving air

• warm air that is sinking

• cool air that is rising

• the amount of water vapor in the air

Tags

NGSS.MS-ESS2-6

NGSS.MS-ESS2-5

Air is more dense than water.

• True

• False

Air is a mixture of several gases.

• True

• False

Another name for the air around the Earth is:

• water vapour

• atmosphere

• humidity

• ozone layer