Mass, Volume, and Density

Front

What is mass?

Back

Mass is a measure of the amount of matter in an object, typically measured in kilograms or grams.

Front

What is weight?

Back

Weight is the force exerted by gravity on an object, calculated as mass times the acceleration due to gravity (W = m × g).

Front

What is volume?

Back

Volume is the amount of space an object occupies, commonly measured in liters, cubic centimeters (cm³), or milliliters.

Front

What is density?

Back

Density is the mass of an object divided by its volume (Density = Mass/Volume), usually expressed in grams per cubic centimeter (g/cm³).

Front

How does gravity affect weight?

Back

Weight changes with the strength of gravity; it is greater on Earth than on the Moon for the same mass.

Front

What units are used to measure volume?

Back

Common units for measuring volume include liters (L), milliliters (mL), and cubic centimeters (cm³).

Front

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

Back

Density = Mass/Volume = 10g/2cm³ = 5 g/cm³.

Front

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

Back

The density of a gas increases when it is compressed because the same mass occupies a smaller volume.

Front

What is the relationship between mass and volume in a substance?

Back

For a given substance, mass and volume are related through density; as mass increases, volume increases if density remains constant.

Front

What is the formula to calculate density?

Back

Density = Mass / Volume.