What is the definition of density?

• The amount of matter in a given volume.
• The amount of volume calculated for a set number of particles.
• The amount of weight in a given volume.
• The amount of matter in a given area.

What are some common units of density?

• kgm3
• m3 / kg
• kg/m3
• N/m3

An object has a mass of 15kg and a volume of 0.068m3. What is its density?

• 10 kg/m3
• 0.0045 kg/m3
• 1.02 kg/m3
• 220 kg/m3

A liquid has a volume of 0.040m3 and a mass of 30 000 g. What is it's density?

• 0.075 kg/m3

• 7.5 kg/m3

• 750 kg/m3

• 7500 kg/m3

The diagram shows an electronic balances with a measuring cyclinder filled with water before and after a stone is added. What is the density of the stone?

• 1.7 g/cm3

• 3.3 g/cm3

• 4.5 g/cm3

• 8.7 g/cm3

A cube of metal has side 2 cm. It weighs 10g. Find its density.

• 5 g / cm³

• 20 g / cm³

• 0.2 g / cm³

• 1.25 g / cm³

Which state of matter is being described here: "particles are close together and vibrate about fixed positions"

• gas
• liquid
• plasma
• solid

Which state of matter is being described here: "particles are close together, moving about and can move past one another"

• gas
• liquid
• plasma
• solid

Which is the best particle diagram for a solid?

• A

• B

• C

Which is the best particle diagram for a gas?

• A

• B

• C