Then you take a rocket to the moon and do the same thing. The scale is also happy! However if you measure the weight both on the earth and on the moon using tension meter, the tension meter will be in two different mood for the tension on it is different! That's one way to distinguish mass and weight:). read more
Mass is the amount of matter present in a body while weight is a measure of how strongly gravity pulls on that matter. Mass is an intrinsic property of the body and remains the same wherever the body might be. read more
Mass is unaffected by gravity, one gram on earth is one gram on the moon, while weight is a function of the planets gravitational pull. read more