Density

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 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

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

A metal cube has a side length of 2 cm and a mass of 32 g. What is its density?

• 4 g/cm³

• 8 g/cm³

• 16 g/cm³

• 2 g/cm³

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DOK Level 2: Skill/Concept

A liquid has a density of 1.2 g/mL. What is the mass of 250 mL of this liquid?

• 300 g

• 200 g

• 150 g

• 100 g

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DOK Level 2: Skill/Concept

If the volume of a liquid is doubled while its mass remains the same, what happens to its density?

• The density doubles.

• The density halves.

• The density remains the same.

• The density becomes zero.

Tags

DOK Level 2: Skill/Concept

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

Jill has a gel pen. The gel pen has a mass of 8g and a volume of 2cm³. What is the density of the pen?

• 4 g/cm³

• 16 g/cm³

• .25 g/cm³

• 64 g/cm³

Why do some substances float on water?

• they are warmer than water

• they are cooler than water

• they are more dense than water

• they are less dense than water

What is the amount of mass per unit of volume?

• mass

• volume

• density