Across
- 2. Recurring cold spot in Earth Week
- 4. The life sphere
- 6. Branch of science that studies minerals
- 9. The rule of the horizon
- 11. Set of faces related by symmetry
- 12. Atomic number of 62
- 14. The layer Felix jumped from
- 16. Could be moving energy
- 18. An assemblage or combination of things working as a whole
- 19. Moving energy
- 20. Made from fragments of existing rock
Down
- 1. Cools slowly and inside
- 3. All continents together
- 5. Another name for mouse beaver
- 7. Another word for cementation
- 8. The wet sphere
- 10. Produced the largest bubbles
- 13. Non living
- 15. The rule of eight
- 17. Boosts water evaporation