Crossword Puzzle: Average

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Across
  1. 2. a basic trigonometric function
  2. 4. study of mushrooms
  3. 7. the process by which cell production occurs in sperm
  4. 9. longest side of a right triangle
  5. 10. billionth digit of pi
Down
  1. 1. can be a portion or section of any quantity out of a whole
  2. 3. positive ions are called
  3. 5. type of rock formed by volcanic activity
  4. 6. whole number that is not a fraction
  5. 8. control cell characteristics