ساينس الصف السادس الإبتدئي الفصل الدراسي الاول ساينس سادسة ابتدائي – ترم أول In This part we will study : Mass and weight Mass : It is the amount of matter in an object The more matter an object contains, the greater mass it has. 1 . Properties of mass: 1. The mass of an object increases when the amount of matter increases and vice versa. 2. All matter has mass 3. The mass of any matter is a fixed value (constant) that does not change by changing its place or its physical state. Gram 1. One gram is equal to the mass of one paper clip. 2. It is used to measure small masses such as: jewelry. kilogram 1. One kilogram is equal to one liter of distilled water. 2. It is used to measure large masses such as: fruits and vegetables. Ton It is used to measure very large masses such as: metals. لمتابعة مستر احمد الباشا وكل ما يخص الساينس : جروب الفيس بوك http://bit.ly/2Of1mcN صفحة الفيس بوك http://bit.ly/2Gq5xMo بالتوفيق مستر احمد الباشا