Density Practice

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

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

Tags

NGSS.MS-PS1-2

Calculate the density of the cube.

• 2 g/cm³

• 4 g/cm³

• 6 g/cm³

• 8 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

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

Why does ice float?

• Liquid water is less dense than solid water.

• Solid water is less dense than liquid water.

• Gaseous water is less dense than solid water.

• Liquid water is less dense than gaseous water.

If an object has a density of .6 g/mL and you put it into water, will it sink or float?  

• sink

• float

A block of aluminum occupies a volume of 15 mL and has a mass of 40.5 g. What is its density?

• .37 g/mL

• 605.5 g/mL

• 2.7 g/mL

• 25.5 g/mL

A rectangular block of copper metal has a mass of 1896 grams. The dimensions of the block are 8.4 cm by 5.5 cm by 4.6 cm. From this data, what is the density of the copper block?

• 1683.48 g/mL

• 402938 g/cm³

• 8.92 g/cm³

• 2108.52 g/cm³

28.5 grams of iron is added to a graduated cylinder containing 45 mL of water. The water rises to 49 mL. What is the density of the iron?

• .63 g/mL

• 7.13 g/cm³

• .58 g/mL

• 7.13 g/mL