Science ACAP Review

Front

What is mass?

Back

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

Front

Does mass change during a phase change?

Back

No, mass remains constant during a phase change.

Front

What is the formula for density?

Back

Density = mass / volume.

Front

Is air considered matter?

Back

Yes, air is matter because it has mass and occupies space.

Front

What is a pure substance?

Back

A pure substance is a material that has a constant composition and consistent properties throughout.

Front

What is a mixture?

Back

A mixture is a combination of two or more substances that retain their individual properties.

Front

Which is easier to separate: pure substances or mixtures?

Back

Mixtures are easier to separate than pure substances.

Front

What is the most dense material among the following: Lead, Aluminum, Bone, Gasoline?

Back

Lead is the most dense material with a density of 11.4 g/cm³.

Front

What is the unit of measurement for density?

Back

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

Front

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

Back

Generally, the density of a substance decreases when it is heated, as the substance expands.