Across
- 2. A spherical map.
- 5. One testable guess.
- 7. The difference in elevation.
- 9. A flat landform.
- 11. A landform with high elevation and a level surface.
- 13. A line from North pole to South pole running through England.
- 16. A landform with high elevation and relief.
- 17. The height above sea level.
- 21. Lines running east-west around the globe.
Down
- 1. Something in an experiment that doesn't change.
- 3. One half of the planet.
- 4. A tested explanation of a law.
- 6. A flat model of the Earth's surface.
- 8. Imaginary line halfway between the two poles.
- 10. The shape of the land.
- 12. Lines running north-south around the globe.
- 14. The result of the experiment.
- 15. The trial in the experiment done first as a comparison.
- 18. A scientific rule that is always true.
- 19. The variable changed on purpose.
- 20. A natural feature of topography.
