Density

Frank has an eraser. It has a mass of 4 g, and a volume of 2 cm³. What is its density?

• 8 g/cm³

• 2 g/cm³

• 1/2 g/cm³

• 24 g/cm³

Calculate the density of the cube.

• 3 g/cm³

• 4 g/cm³

• 2 g/cm³

• 5 g/cm³

A piece of copper has a mass of 89g and a volume of 10 cm3.  What would be the density of the copper?

• 0.89 g/cm3

• 89 g/cm3

• 8.9 g/cm3

• 890 g/cm3

Objects like wood and sponge float because they are ___?

• Less dense

• Denser

What is the formula for density?

• density = mass x volume

• density = mass / volume

• density = mass + volume

• density = mass - volume

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

An object has a volume of 6 cm³ and a mass of 42 g. What's it's density?

• 7 g/cm³

• 48 g/cm³

• 42 g/cm³

• 6 g/cm³

Will a peeled lemon float or sink?

• Float

• Sink

Which box has a higher density?  

• Box A

• Box B

• cannot be determined

• they are the same

An object's volume was determined through water displacement.  The starting height of the water was 58 mL and the ending height was 65 mL.  What is the density of the object if it has a mass of 47.5 g?

• 0.39 g/cm³

• 6.79 g/cm³

• 67.86 g/cm³

• 0.15 g/cm³