Question

What the difference between mass and density? and what's the difference between mass and weight?

Answer 1

Answer:

mass remains the same while weight may change

Explanation:

for example your mass and weight is 66kg or Newton on moon it will not be the same only the mass will remain same

Answer 2

Answer:

Mass quantifies the amount of matter present in a certain object that is usually expressed in unit grams or kilograms. ... Density quantifies how much mass is present in a certain matter or object with respect to volume (per unit volume). Water, for example, has a density of 1 gm/cm3.

The mass of an object is a measure of the object's inertial property, or the amount of matter it contains. The weight of an object is a measure of the force exerted on the object by gravity, or the force needed to support it.