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