Across
- 3. Imaginary lines that run parallel east to west
- 6. the point in the orbit of the planet, asteroid, or comet at which it is furthest from the sun
- 7. a triangular deposit of sand and soil that collects at the mouth of some rivers
- 10. half of the earth
- 15. any of the world's main continuous expanses of land
- 17. an isolated flat - topped hill with steep sides
- 18. a narrow waterway connecting two bodies of water
- 19. a body of water particularly enclosed by land
Down
- 1. a stream flowing between hills or mountains
- 2. the height of an object or point in relation to sea level
- 4. a dry, barren area of land
- 5. a period of 24 hours of the earth spinning on its axis
- 8. a river that flows into a larger river
- 9. - Refers to all forms of plant life
- 11. the height above a fixed reference point
- 12. a slowly moving mass of ice
- 13. a deep gorge, typically with a river flowing through it
- 14. a narrow strip of land with water on both sides, connecting two larger areas of land
- 16. a 3-D representation of the earth
- 18. a waterway dug across land through which ships can pass through
