Density

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

Put the liquids in order from most dense to least dense?

• 4, 3, 2, 1
• 1, 2, 3, 4
• 3, 4, 2, 1, 
• 4, 3, 1, 2

An object with which of the following densities will float on water?

• 0.7 g/cm3
• 1.2 g/cm3
• 3.5 g/cm3
• 11.4 g/cm3

Helium balloons rise on earth because

• helium is less dense than air
• helium is more dense than air
• helium is cooler than air
• helium is warmer than air

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

Which measurement would be the most useful for identifying an unknown liquid?

• Weight
• volume
• mass
• density

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

The tool used to measure the mass of a substance or object is a ______________.

• balance
• graduated cylinder
• ruler
• thermometer

Which lab tool might you use to measure the volume of a liquid?

• electric scale
• bunsen burner
• test tube
• graduated cylinder