Density and Buoyancy

The measurement of how much mass fits within a certain volume is called ____________________.

• density

• volume

• mass

• weight

Density describes how tightly the ________________ that make up a substance are packed together.

• particles

• molecules

• atoms

• cells

Tags

NGSS.MS-PS1-1

Objects float if they are __​ (a)   _​ dense than the substance in which they are placed. They ​ (b)   if they are denser than the substance in which they are placed.​

• less
• sink
• more

• float

• equal

Steel is denser than water. However, steel ships can float on water because their hulls are filled with ______________.

• air

• water

• sand

• metal

An object’s density is found by dividing its ________ by its ____________.

• mass and volume

• weight and height

• length and width

• temperature and pressure

The density of a material depends on the​ (a)   of the particles that make up the material and the ​ (b)   between the particles.

(c)   ​ (d)   ​ (e)  

• mass
• space

• color

• temperature

• m
• space
• density

The particles of a solid tend to be packed __________ together. The particles of a(n) ___________ tend to be spread out.

• tightly

• loosely

• randomly

• gas

Usually, matter in the ____________ state is denser than in the liquid state. Matter in the liquid state tends to be denser than in the gaseous state.

• solid

• gaseous

• plasma

• liquid

Tags

NGSS.MS-PS1-4

The density of a substance is the __________ no matter how much of the substance is present.

• same

• different

• variable

• changing

Density can help ______________ an unknown.

• identify

• measure

• destroy

• ignore