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The Solar System = 8.15.1 Explain night and day, eclipses, seasons, tides, and phases of the Moon in terms of the movement and relative sizes of the Sun, Earth and Moon. = = 8.15.2 Describe the relative positions of the planets, and their conditions compared with conditions on Earth. = = 8.15.3 Be able to identify some planets in the night sky; know that we can see them and the Moon because they reflect light from the Sun. = = 8.15.4 Know that the Sun is a star and that, like all stars, it radiates light and heat. = = 8.15.6 Recount a number of uses for artificial satellites. = = 8.15.7 Assess evidence for our modern understanding of the Solar System and show how this understanding has evolved over time. = = 8.15.8 Understand the importance of the Sun–Earth–Moon system in telling the time. Know the reasons for the differences between the Islamic calendar and the Gregorian calenda r. =

**تم تصميم هذه الصفحه لطلاب الصف الثاني الإعدادي بمدرسه خالد بن أحمد الإعداديه المستقله للبنين**

**منسق العلوم : محمد حمدي إبراهيم** m_hmedi@yahoo.com