Practice Density Quiz

Which liquid is the least dense?

• oil

• water

• syrup

• plastic bottle

Answer explanation

Yes! Because it floated to the top of the other substances. The most dense is the substance at the bottom.

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

• 14 g/cm³

Answer explanation

You will be able to use a calculator should you need it on the quiz to compute density. Numbers may not be as easy as these.

Why do some substances float on water?

• they have a higher mass than water

• they are cooler than water
• they are more dense than water
• they are less dense than water

The amount of space something takes up

• density
• volume
• mass
• matter

Which box has a higher density?  

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

when an object is compressed so that its mass is packed into a smaller space, its density

• increases

• decreases

• remains constant

Which of the following is an example of an object with a low density?

• Pillow

• Bowling Ball

• Brick

Which of the following is an example of an object with a high density?

• Pillow

• Bowling Ball

• Beach Ball

You calculated the density of an unknown substance to be 7.8g/cm³. According to the chart, which of the substances doe you most likely have?

• Zinc

• Copper

• Tin

• Iron