Across
- 4. Size and shape of the land surface
- 5. The study of the universe
- 7. Part of Earth that is water
- 10. Explanation supported by observation & experimentation
- 12. Study of the ocean and what lives there
- 14. Distance east or west of the prime meridian
- 15. Part of Earth where life exist
- 16. Factor that changes as a result of other factor(s)
- 17. Factor that is deliberately changed in an experiment
- 18. Study of the origin, history and structure of Earth
Down
- 1. Distance north or south of the equator
- 2. Mostly solid, rocky part of Earth
- 3. Line that connects points of equal elevation
- 6. Study of Earth’s weather and climate
- 8. Difference of distance shown on map and real distance
- 9. List of map symbols and their meanings
- 11. An idea or observation that can be tested
- 13. Mixture of gases that surround a planet or moon