Across
- 4. What was Ibn al-Haytham the first of
- 7. The famous physicist who was born in 1643
- 8. The year al-Hassan Ibn al-Haytham was born
- 9. Ibn al-Haytham discovered the laws of...
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- 1. What di Ibn al-Haytham use to prove his theories
- 2. The object Ibn al-Haytham invented
- 3. The surnames of the people who were thought to have confirmed the modern scientific method
- 5. The length of time al-Hassan Ibn al-Haytham was in prison
- 6. Ibn al-Haytham's profession
- 8. The centuries of the Golden Age of Arabic Science (__and__)