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Khan Academy
1,114,658 followers -
A free world-class education for anyone anywhere
A free world-class education for anyone anywhere

1,114,658 followers
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Khan Academy's posts

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The Abbasid Caliphate becomes a center of learning from the 9th to the 13th centuries, collecting the works of ancient India, China and Greece which making significant contributions to mathematics, astronomy, philosophy, medicine and geography.

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Overview of the spread of Islam from the time of Muhammed to the Rashidun, Umayyad and Abbasid Caliphates. Discussion of Muslim conquest and conversion.

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Overview of the spread of Islam from the time of Muhammed to the Rashidun, Umayyad and Abbasid Caliphates. Discussion of Muslim conquest and conversion.

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Early Muslims migrate to Medina from which they eventually are able to convert Mecca and most of Arabia to Islam during the life of Muhammed.

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Multi step unit conversion example (U.S. Customary units). 4th grade. Common Core State Standards.

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Molecular dipoles including permanent, temporary and induced molecular dipoles.

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Multi-step unit conversion examples (metric system). 4th grade. Common Core State Standards.

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An overview from the first kings of a unified Judah and Israel to the beginning of the Jewish Diaspora with the destruction of the Second Temple.

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An overview of the Xia, Shang, Zhou, Qin and Han Dynasties of China.

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Naming ions and ionic compounds
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