Calculate Density to Identify an Unknown Substance

What two properties determine the density of a substance?

• weight & mass
• mass & length
• mass & volume
• volume & length

If an object has a density of 0.6 g/mL and you put it into water, will it sink or float?  

• sink
• float

A cellphone has a mass of 20g and a volume of 5 mL. What is it's density?

• 4 g/mL
• 25 g/mL
• 15 g/mL
• 100 g/mL

Which box has a higher density?  

• Box A
• Box B
• cannot be determined
• they are the same

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

• 2 cm³
• 2 g/cm³
• 1/2 g/cm³
• 2 g

If an object has a density of 0.6 g/mL and you put it into water, will it sink or float?  

• sink
• float

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

Calculate the density of the cube.

• 3 g/cm³
• 4 g/cm³
• 2 g/cm³
• 5 g/cm³

What unit do we measure mass in?

• grams
• liters
• meters
• degrees

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

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