Across
- 4. measures the distance north or south of the equator
- 6. the gradual wearing away of rock or soil by
- 7. any physical material constituting part of Earth that people need and value
- 8. a vast, flat, treeless Arctic region of Europe, Asia, and North America in which the subsoil is permanently frozen
- 12. frozen area around the North Pole
- 13. areas on earth always covered in snow and ice.
Down
- 1. a scale of measurement used to record the temperature outside
- 2. weather in an area over a long period of time
- 3. wind, or ice
- 5. measures distance east or west of the prime meridian.
- 9. meridian, the line of 0° longitude, the starting point for measuring distance both east and west around Earth.
- 10. areas on earth that stay warm and humid throughout the year
- 11. the height of land above the sea level