Density

Objects may float on the surface of water or sink in the water.

• TRUE

• FALSE

Which state of matter does not have a fixed volume

• Solid
• Liquid
• Gas

True or False:  The density of a specific type of material never changes.  

• True
• False

Why do some substances float on water?

• they are warmer than water
• they are cooler than water
• they are more dense than water
• they are less dense than water

........... is the amount of matter in an object and is measured in kilograms

• mass

• volume

• density

............ is the amount of space an object occupies and is measured in cubic meters and expressed in litres.

• Mass

• Volume

• Density

The objects that are les dense the water will....

• FLOAT

• SINK

• DAMAGED

• NOTHING HAPPENED

When two materials that have different densities, like oil and water, encounter one another, they will?

• exchange densities.

• mix uniformly.

• repel one another.

• separate according to their densities.

Density =

What is the SI UNIT for density? There may be more than one correct answer

• kg/m³

• g/m

• g/m³

• kg/m

• m/v