Density

Front

A block of aluminum occupies a volume of 15 cm³ and has a mass of 40.5 g. What is its density?

Back

2.7 g/mL

Front

Put the liquids in order from most dense to least dense? Options: 4, 3, 2, 1, 1, 2, 3, 4, 3, 4, 2, 1, 4, 3, 1, 2

Back

4, 3, 2, 1

Front

Why does ice float? Options: 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.

Back

Solid water is less dense than liquid water.

Front

Which liquid is the least dense? Options: oil, water, syrup, plastic bottle

Back

oil

Front

What is the formula for density?

Back

density = mass / volume

Front

Jack has a rock with a mass of 14 g and a volume of 2 cm³. What is the density of the rock?

Back

7 g/cm³

Front

What metric unit of measurement is used to measure small volumes of liquid?

Back

milliliter (mL)

Answer explanation

We can use graduated cylinders or beakers to measure a liquid's volume.

Front

What metric unit of measurement is used to measure small amounts of mass?

Back

gram

Answer explanation

We usually use a digital scale to measure mass.

Front

A block has a mass of 54g and a volume of 20cm3. What is the density of the block?

Back

2.7 g/cm3

Answer explanation

Remember: Density = Mass/Volume

Front

Why do helium balloons rise on earth?

Back

Helium is less dense than air.

Answer explanation

Less dense substances will always float on higher density substances.