Distinction between Mass and Weight of an Object

Understand that mass refers to the amount of matter within an object. It remains constant for a given object irrespective of its location, i.e., whether it is on Earth, Moon, or in outer space.
Recognize that weight is the force exerted by gravity on the object’s mass. It is dependent on the gravitational field strength of the location.
Keep in mind that the unit of mass is kilogramme (kg) while weight is measured in newtons (N).
Know that mass can be identified through its inertia - the reluctance to change its current state of motion or rest. Greater the mass, greater is the inertia.
Remember, weight can be calculated by multiplying the mass of the object by the gravitational field strength (g); Weight = mass x g.
Be aware that weight, being a force, has a direction - it always acts towards the centre of the gravity of the celestial body.
Understand that the weight of an object will change on other planets or on the moon due to differing gravitational pull, however, the mass will remain the same.
Lastly, realise that a bathroom scale actually measures the force (weight) exerted by a body, not the amount of matter (mass) within it.