Crossword

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Across
  1. 5. a shape with four sides
  2. 6. argument
  3. 7. the process plants use to turn sunlight into energy
  4. 8. a period of ten years
  5. 12. the central part of an atom or cell
Down
  1. 1. settling and taking control of new land
  2. 2. a comparison that does not use “like” or “as
  3. 3. the system of money used in a country
  4. 4. a branch of maths using symbols and letters
  5. 9. information used to support
  6. 10. an agreement between groups or countries to work together
  7. 11. the number of people in an area