SCIENCE

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Across
  1. 4. (v) to make a copy of something
  2. 5. (n) a person who takes part in or becomes involved in a particular activity
  3. 6. (v) organize and carry out
  4. 7. (n) an idea or explanation for something that is based on known facts but has not yet been proved
  5. 10. (n) a particular way of doing something
Down
  1. 1. (n) a test done in order to learn something or to discover if something works or is true
  2. 2. (n) an important discovery or event
  3. 3. (a) relating to science
  4. 8. (n) an examination of opinions, behaviour, etc., made by asking people questions
  5. 9. (n) a research