Spelling a

Name: ______________________   Date: ____________

Use the clues to fill in the crossword.

Across

  1. 8. The act of ___ something (12)
  2. 12. A homogeneous mixture of two or more substances (8)
  3. 13. A facility consisting of the means and equipment necessary for the movement of passengers or goods (14)
  4. 14. Providing knowledge (11)
  5. 16. The creation of something in the mind (9)

Down

  1. 1. The number of inhabitants in a given place (10)
  2. 2. A quantity that is added (8)
  3. 3. An arithmetic operation in which the difference between two numbers is calculated (11)
  4. 4. The state of being in effect or being ___ (9)
  5. 5. A component of a mixture that has been separated by a ___ process (8)
  6. 6. An arithmetic operation that is the inverse of division (14)
  7. 7. A mathematical relation such that each element of a given set is associated with an element (8)
  8. 9. Undesirable state of the natural environment being contaminated with harmful substances as (9)
  9. 10. The particular portion of space occupied by something (8)
  10. 11. A statement that represents something in words (11)
  11. 15. One of the portions into which something is regarded as divided and which together constitute (8)