ساينس الصف الخامس الإبتدئي الفصل الدراسي الاول ساينس خامسة ابتدائي – ترم أول In This part we will study : Light : Light is the form of energy that can be seen and causes vision.  Light is necessary for photosynthesis process, lighting of houses and streets, etc.  Light is the most important energy on Earth. The visible spectrum It is the light energy which can be seen. (G.R) The moon seems shiny, but it is not considered a source of light. Because it reflects the sunlight that falls on its surface. 1. Light travels in straight lines: A. The formation of images by using narrow holes B. The formation of shadow 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