Unit 7- Matter and its Changes

Front

What is density?

Back

Density is the mass of a substance divided by its volume, typically expressed in grams per cubic centimeter (g/cm³).

Front

How do you calculate density?

Back

Density = Mass / Volume.

Front

What is a solute in a solution?

Back

A solute is the substance that is dissolved in a solvent to form a solution.

Front

What is a solvent in a solution?

Back

A solvent is the substance that dissolves the solute, usually present in a greater amount.

Front

What is a saturated solution?

Back

A saturated solution is one in which no more solute can dissolve at a given temperature.

Front

What is a supersaturated solution?

Back

A supersaturated solution contains more solute than can typically dissolve at a given temperature.

Front

What happens when two liquids do not mix?

Back

When two liquids do not mix, it indicates that they have different densities or polarities.

Front

What are the units of density?

Back

The units of density are grams per cubic centimeter (g/cm³).

Front

What is the difference between mass and weight?

Back

Mass is the amount of matter in an object, while weight is the force exerted by gravity on that mass.

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.