Density

Front

What is density?

Back

Density is defined as the mass of an object divided by its volume. It is a measure of how much matter is contained in a given space.

Front

How do you calculate density?

Back

Density = mass ÷ volume.

Front

What happens to an object with a density greater than water when placed in water?

Back

It will sink.

Front

What happens to an object with a density less than water when placed in water?

Back

It will float.

Front

What is the relationship between mass and density?

Back

Density is the ratio of mass to volume; if mass increases while volume remains constant, density increases.

Front

What is the unit of measurement for density in the metric system?

Back

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

Front

Why does a bowling ball have the same mass on Earth and the Moon?

Back

Mass is a measure of the amount of matter in an object and does not change with location.

Front

What is the effect of temperature on the density of liquids?

Back

Generally, as temperature increases, the density of liquids decreases because they expand.

Front

How can you determine if an object will sink or float in a liquid?

Back

By comparing the object's density to the density of the liquid; if the object's density is less, it will float.

Front

What is the principle of buoyancy?

Back

The principle of buoyancy states that an object submerged in a fluid experiences an upward force equal to the weight of the fluid displaced.