1Determine the mass of some objects using the scales.
2Determine the weight of some objects using the spring scales.
3Calculate the weight of an object by knowing its mass.
4Compare between mass and weight.
5Calculate the weight.
6Recognize the concept of mass and weight.
7Determine the factors that affect the weight.
8Recognize the properties of mass and weight.
9Calculate the mass by knowing the weight.
10Determine the factors that affect the mass.