Across
- 1. fine, dry powder
- 6. scenery
- 9. basic; primary; essential
- 11. a large area of flat land
- 12. A mixture of gases that surrounds a planet
- 15. to want to know about
Down
- 2. object that orbits around another object in space
- 3. Enormous, Immense
- 4. to result in
- 5. an area of low land between hills or mountains
- 7. unit of measurement
- 8. a tool or device
- 10. different views that show the parts of a whole
- 13. A logical argument that shows a statement is true.
- 14. to discover something not easily noticed