The Islamic caliphates: conquests, trade, Baghdad and the House of Wisdom

Grade 7 Social Studies Worksheet - Challenge Me

Circle the best answer.

2. 1.

   Which two boxes lead into the observatories box, Zee asks?

   • The Indian astronomy text, and the Almagest in Arabic
   • The Almagest in Arabic alone
   • The star positions, and the Indian text
   • Al-Battani's tables, and the later astronomers who used them
3. 2.

   Why does the observatories box have two arrows leading in, Ari asks?

   Use the picture in question 1.

   • Two caliphs built it at once
   • Two earlier works helped bring it about
   • The observatories came before both works
   • The Almagest alone brought it about
4. 3.

   Which sentence about al-Khwarizmi's book is careful, Bo asks?

   • It can be considered the first book on algebra
   • It copied a Greek book word for word
   • It invented algebra from nothing
   • It was the single book he wrote
5. 4.

   Which sentence about al-Battani is careful, Esme asks?

   • His tables were perfect beyond any doubt
   • No astronomer ever used his tables
   • He observed from Baghdad alone
   • A bookseller's index of 988 praised his tables
7. 5.

   Sources differ on how the House of Wisdom began. Which reply is careful, Jun asks?

   • They agree on al-Ma'mun's reign but differ on its start
   • No source says al-Ma'mun mattered
   • The sources agree that al-Ma'mun founded it
   • The sources agree it began at Jundishapur
8. 6.

   How many years did al-Ma'mun rule as caliph, from 813 to 833, Kira asks?

   Use the picture in question 5.

   • 200 years
   • 1,646 years
   • 21 years
   • 20 years
10. 7.

    How many years did al-Battani observe, from 877 to 918, Luz asks?

    • 41 years
    • 40 years
    • 1,795 years
    • 410 years
11. 8.

    The Indian text came about 770. About how many years later did al-Ma'mun become caliph in 813, Milo asks?

    Use the picture in question 7.

    • About 1,583 years
    • About 430 years
    • About 43 years
    • About 33 years
12. 9.

    Pia's note says, "The word algorithm comes from the title of al-Khwarizmi's algebra book." Which fix is right?

    • Change it: algorithm comes from his name
    • Change "title" to "city"
    • Leave it: both words come from the title
    • Change "algorithm" to "paper"
13. 10.

    Ren's note says, "Al-Battani watched the sky only from Baghdad." Which fix is right?

    • Change it: he observed mostly at Antioch and ar-Raqqah
    • Leave it: the observatories stood in Baghdad alone
    • Change "Baghdad" to "Medina"
    • Change "sky" to "coins"