Across
- 2. Imaginary line drawn to divide the earth into Northen and Southern hemispheres. Crosses several countries around the globe, one of them is Indonesia.
- 3. Imaginary lines that determine the east-west position on a surface of earth
- 5. Method of observing the positions of celestial bodies, used by sailors to find their way
- 7. A visualization of a certain place/area, usually drawn in a flat surface
- 9. One of the basic elements in a map, displays the meaning behind each symbols
Down
- 1. Any location on earth could be identified precisely with this grid system
- 4. Navigation tool that looks long and cross-shaped like wooden stick to measure angles
- 6. Developed by the US Departement of Defense, this system requires satellites to tell your exact location on earth
- 8. Navigation tool that was used in ancient times to measure the altitude beyond the horizon and celestial bodies
- 10. Systems used for environmental management, urban planning, and disaster response