Across
- 2. Al Biruni determined the Earth’s ___
- 4. The Arabs started the ___ movement
- 6. They invented the present day ___ system
- 8. The average material used
Down
- 1. In many books Islamic ___ was used to write
- 3. Al Battani computed the first table of ___
- 5. The Arabs also started the House of ___
- 7. The book written about algebra