Question

1. What is mass?
A. How tightly particles are packed
B. The amount of matter in an object
C. The amount of space an object takes up
D. The tendency of objects to float
2. What is volume?
A. The heaviness of an object
B. The amount of matter in an object
C. The amount of space an object occupies
D. The density of a liquid
3. Density is defined as:
A. Mass minus volume
B. Mass per unit volume
C. Weight divided by mass
D. Volume per unit mass

Answer 1

1. B — The amount of matter in an object.
2. C — The amount of space an object occupies.
3. B — Mass per unit volume (ρ = m/V).