Density Pretest

Front

What is the formula for density?

Back

density = mass / volume

Front

What happens to air molecules when they are heated?

Back

They separate.

Tags

NGSS.MS-PS1-4

Front

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

Back

4, 3, 2, 1

Front

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

Back

Oil

Front

What is density?

Back

Density is the mass of an object divided by its volume.

Front

How does temperature affect the density of a substance?

Back

As temperature increases, density usually decreases.

Tags

NGSS.MS-PS1-4

Front

What is the unit of density?

Back

The unit of density is typically grams per cubic centimeter (g/cm³) or kilograms per cubic meter (kg/m³).

Front

If an object has a mass of 10 grams and a volume of 2 cm³, what is its density?

Back

Density = mass / volume = 10 g / 2 cm³ = 5 g/cm³.

Front

What is the relationship between mass, volume, and density?

Back

Density is the ratio of mass to volume.

Front

What happens to the density of a substance when it is compressed?

Back

The density increases.