http://crossacademy.freeforum.me.uk/feed/? Latest topics Sun, 13 Dec 2009 23:25:02 GMT 10 http://i233.photobucket.com/albums/ee179/loo13/CrossAcademyHeader.jpg http://crossacademy.freeforum.me.uk/feed/? http://crossacademy.freeforum.me.uk/ch-7-the-epires-of-persia-f20/study-guide-t41.htm Admin List the Persian Empires chronologically. Spoiler: Achamenid, Selcucid, Parthian, Sasanid Who was the greatest Archaemenid emperor? Spoiler: Darius What was the magnificent capital of Persia, built by Darius? Define Satrapies. What was the center of the Persian communications network? Who fought each other in the Battle of Marathon? Who won? Who defeated the Sasanids in 651 CE? What is Zoroastrianism and how did it spread? Spoiler: Persian ... Ch. 7- The Epires of Persia Sun, 13 Dec 2009 23:25:02 GMT http://crossacademy.freeforum.me.uk/ch-7-the-epires-of-persia-f20/study-guide-t41.htm#41 http://crossacademy.freeforum.me.uk/ch-7-the-epires-of-persia-f20/study-guide-t41.htm http://crossacademy.freeforum.me.uk/ch-6-early-societies-in-the-americas-and-oceania-f19/study-guide-t40.htm Admin What was the staple food of Mesoamerica? Spoiler: maize What was the first society of Mesoamerica which founded traditions followed by all later societies? Spoiler: Olmec What are some of the most important creations of the Maya? Spoiler: calendar, math, invention of 0 What are some possible causes for the collapse of the Maya? Spoiler: internal conflict, external conflict, failure of water system, disease, ecological problems caused by deforestation Mayan, ... Ch. 6- Early Societies in the Americas and Oceania Sun, 13 Dec 2009 22:52:32 GMT http://crossacademy.freeforum.me.uk/ch-6-early-societies-in-the-americas-and-oceania-f19/study-guide-t40.htm#40 http://crossacademy.freeforum.me.uk/ch-6-early-societies-in-the-americas-and-oceania-f19/study-guide-t40.htm http://crossacademy.freeforum.me.uk/ch-5-early-society-in-east-asia-f6/study-guide-t39.htm Admin Where did ancient Chinese society begin? Spoiler: Yellow River What is the nickname of the Huang He River? Spoiler: The Yellow River (yellow silt turns river yellow) Which dynasty laid the foundation for a set of principles about government and political legitimacy? Spoiler: Zhou dynasty What is the Mandate of Heaven? Spoiler: Chinese belief that the emperor ruled through the madate, or approval, of heaven contingent on their abilities to look after ... Ch. 5- Early Society in East Asia Sun, 13 Dec 2009 22:39:45 GMT http://crossacademy.freeforum.me.uk/ch-5-early-society-in-east-asia-f6/study-guide-t39.htm#39 http://crossacademy.freeforum.me.uk/ch-5-early-society-in-east-asia-f6/study-guide-t39.htm http://crossacademy.freeforum.me.uk/ch-11-f5/infinite-geometric-sequence-t31.htm Admin Geometric Sequence: 3, 6, 12, 24 Geometric Series: 3+6+12+24 Infinite Geometric series: geometric series with infinite terms An infinite geometric series is convergent if the absolute value of the common ratio, r, is less than one. The sum of infinite terms, S, is given by Where a variable and subscript 1 is the first term Picture! Ch 11 Wed, 04 Nov 2009 01:46:22 GMT http://crossacademy.freeforum.me.uk/ch-11-f5/infinite-geometric-sequence-t31.htm#31 http://crossacademy.freeforum.me.uk/ch-11-f5/infinite-geometric-sequence-t31.htm