Across
- 4. — The study of possible life in space
- 5. — A large area containing many craters
- 6. study of Earth and rocks
- 8. — The science of space travel
- 11. measuring Earth’s shape/size
- 12. — Shaped like a crater
- 17. — A rocky object that orbits the Sun
- 20. — The study of stars, planets, and space
- 21. — A flat raised area of land
- 26. — To change land so it can support life
- 27. — Similar in shape to a crater
- 28. — A person trained to travel in space
- 29. crater — A hole made when an object strikes a surface
- 30. — Extremely large, or relating to space
- 31. — The process of forming holes by impact
- 33. — Full of craters
- 36. heat from inside Earth
- 37. — A container used to grow plants in soil
Down
- 1. — Relating to chemicals found in space
- 2. — An ancient tool for measuring star positions
- 3. — A bowl-shaped hole on a planet’s surface
- 6. hollow rock with crystals inside
- 7. — A tool used to photograph or map stars
- 9. study of landforms and surface features
- 10. — The study of how forces work in space
- 13. — A hard baked clay made from earth
- 14. — A sea surrounded mostly by land
- 15. Earth-centered
- 16. related to Earth science
- 18. — Existing below Earth’s surface
- 19. — A smaller crater inside or below another crater
- 21. — Relating to Earth or land
- 22. — The physical features of land, like hills or valleys
- 23. — An area with many craters
- 24. Earth’s solid rocky parts
- 25. — An area of land controlled or occupied
- 32. scientist who studies Earth’s chemistry
- 33. — Covered with many bowl-shaped holes
- 34. — The process of changing a planet’s land for living conditions
- 35. study/mapping of Earth’s surface