Fluid

Which of these forces is the upthrust?

• A

• B

• C

• D

The air resistance of a car can be reduced by:

• making the car bigger.

• giving it a streamlined shape.

• making the car heavier.

• putting a roof box on it.

Tags

NGSS.MS-ETS1-1

NGSS.MS-ETS1-2

A state of matter in which a substance has neither a definite shape or volume

• liquid

• gas

• solid

• viscosity

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-PS1-4

NGSS.MS-PS3-4

Which of the following is an example of when you can feel a fluid (like air) moving?

• wind blowing

• a room feeling warm

• sitting at a desk studying

• sleeping in a bed

Tags

NGSS.MS-ESS2-5

Which fluid particles move the most or the fastest?

• Hot gas particles

• Warm liquid particles

• Cool gas particles

• Cold liquid particles

Tags

NGSS.MS-PS1-4

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-ESS2-5

NGSS.MS-ESS2-6

Which of the following is a characteristic of fluids?

• They have a definite shape.

• They can flow.

• They are always compressible.

• They cannot be contained.