ساينس الصف السادس الإبتدئي الفصل الدراسي الاول ساينس سادسة ابتدائي – ترم أول In This part we will study : Weight : – It is the force by which a body is attracted to the earth. – It is the gravitational force acting on a body’s mass. 1 . Properties of weight : • is a force that always shows its effect towards the center of the earth. • Weight of an object is not a fixed value (variable), but it differs from one place to another. – Because the gravitational force changes from one place to another. 2. Measurement units of weight: Weight is measured in a unit called Newton . A Newton is almost equal to the weight of object whose mass is equal to 100 grams. 3. Measurement devices of weight: A spring scale is used for measuring weight. 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