Which BEST describes the meaning of mass of an object?

• The amount of space an object or substance takes up

• Mass divided by volume

• The amount of matter in an object or substance

• The weight of an object only in solid form and in zero gravity

Which of the following BEST describes volume?

• How much space an object takes up

• Where an object is in space

• How much an object weighs

• The mass of an object compared to its weight

What two properties do you need to find density?

• Volume and weight

• Mass and volume

• Only volume

• Only mass

If an object sinks in water than it is ___________ than water and

 If an object floats in water then it is _____________ than water.

The formula for finding density is:

•  

  The volume divided by the mass.

• The mass multiplied by the volume.

• The mass divided by the volume.

• The volume multiplied by the mass.

What are the units of measuring Density?

• g/cm³

• kg/m³

• kg/L

• g/m

The density of water is

• 13600 kg/m³

• 1000 kg/m³

• 7800 kg/m³

• 625 kg/m³

You have a rock with a volume of 15cm³ and a mass of 45 g. What is its density? ................................ g/cm³

You have a different rock with a volume of 30 m³ and a mass of 60 kg. What is its density? ........................................ kg/m³