ELENA PUZZLE 2

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Across
  1. 2. (Math) A polygon with six sides (7 letters).
  2. 7. (Math) The process of adding a number to itself a certain number of times (13 letters).
  3. 8. (English) A word that connects clauses or sentences (12 letters).
  4. 9. (Science) The planet we live on (5 letters).
  5. 10. (English) A word that describes an action (4 letters).
Down
  1. 1. (Science) The process of turning from liquid into vapor (11 letters).
  2. 3. (English) A word that names a person, place, or thing (4 letters).
  3. 4. (Math) A shape with three sides (8 letters).
  4. 5. (Science) A living thing that grows and needs sunlight (5 letters).
  5. 6. (Science) The process by which plants make their food using sunlight (14 letters).