Density review

Density is...

• the amount of mass in an object
• the amount of space an object takes up
• the amount of mass in a given space
• the weight of an object

What is the formula for density?

• density = mass x volume
• density = mass / volume
• density = mass + volume
• density = mass - volume

What units can be used to express density?

• g/mL
• grams
• millimeters
• milliliters

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

• True
• False

If the density of a bar of gold is 19.3 g/cm³and you cut it into 4 pieces,  what is the density of each piece of gold?  

• 4.825 g/cm³
• 9.65 g/cm³
• 19.3 g/cm³
• 38.6 g/cm³

Which liquid is the least dense?

• oil
• water
• syrup 
• plastic bottle

Which liquid is the most dense?

• oil
• water
• syrup 
• plastic bottle

Frank has a paper clip. It has a mass of 9g and a volume of 3cm³. What is its density?

• 3 g/cm³
• 1/3 g/cm³
• 27 g/cm³
• 39 g/cm³

Jack has a rock. The rock has a mass of 14g and a volume of 2cm³. What is the density of the rock?

• 7 mL
• 7 g/cm³
• 28 g/cm³
• 1/7 g/cm³

What is the mass of a material with a density of 10.5 grams and a volume of 5 cc. What is the density of the rock?

• 5 mL
• 15.5  g/cm³
• 2.1  g/cm³
• 52.5 g/cm³