World History 15

Name: ______________________   Date: ____________

Use the clues to fill in the crossword.

Across

  1. 5. A proposal intended to explain certain facts or observations (10)
  2. 7. English mathematician and physicist (6)
  3. 8. Italian astronomer and mathematician who was the first to use a telescope to study the stars (7)
  4. 12. The act or process of assigning numbers to phenomena according to a rule (plural) (12)
  5. 15. Of or relating to the practice of ___ (10)
  6. 16. A well-substantiated explanation of some aspect of the natural world (6)

Down

  1. 1. Alternative names for the body of a human being (7)
  2. 2. Polish astronomer who produced a workable model of the solar system with the sun in the center (10)
  3. 3. Back and sides of a hog salted and dried or smoked (5)
  4. 4. Measuring instrument for measuring temperature (11)
  5. 6. Holy book of Christianity (5)
  6. 9. How long something has existed (plural) (4)
  7. 10. Dutch pioneer microscopist who was among the first to recognize cells in animals and who gave (11)
  8. 11. To increase in size, volume or significance (10)
  9. 13. A closed plane curve resulting from the intersection of a circular cone and a plane cutting (plural) (8)
  10. 14. The planet we live on (5)