Density of Regular Objects

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

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

A student knows the mass of an object. What other variable does the student need to know to calculate the object's density?

• Color

• Weight

• Volume

• Length

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

• 7 mL

• 7 g/cm³

• 28 g/cm³

• 1/7 g/cm³

Calculate the density of the cube.

• 3 g/cm³

• 4 g/cm³

• 2 g/cm³

• 5 g/cm³

Veal finds a gold colored rock in a river. It has a mass of 9.65 grams and a volume of 0.5 cm3. What is the density of the rock?

• 10.15 g/cm3

• 19.3 g/cm3

• 9.15 g/cm3

• 4.825 g/cm3

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

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

• 8 g/cm³

• 2 g/cm³

• 1/2 g/cm³

• 24 g/cm³

What is the formula for density?

• density = mass x volume

• density = mass / volume

• density = mass + volume

• density = mass - volume

A lead cylinder has a mass of 540 grams and a volume of 2.70 mL.  Calculate the density of the lead cylinder. Remember to move the decimal on both sides of the problem.

• 15 g/mL

• 19 g/mL

• 20 g/mL

• 12 g/mL