Across
- 4. Molten rock erupting from volcanic cores
- 6. Flowing water carving Earth’s terrain
- 7. Hard mineral found in Earth’s depths
- 10. Hottest planet with a thick cloudy veil
- 13. Gas giant with a massive storm system
- 16. Basic building block of all matter
- 18. Layer of gases protecting Earth
- 19. Force governing planetary orbits
- 20. Path of a planet around its star
- 21. Precipitation nourishing Earth’s landscapes
- 23. Lush expanse of trees on Earth
Down
- 1. Red planet with ancient volcanic peaks
- 2. Blue planet hosting diverse life forms
- 3. Earth’s satellite influencing tides
- 5. Distant planet with deep blue hues
- 8. Power driving life and planetary motion
- 9. Impact scar found on planetary surfaces
- 11. Planet famed for its icy ring system
- 12. Water vapor drifting in Earth’s sky
- 14. Frozen water on cold planets
- 15. Preserved remains of ancient life
- 17. Air movement shaping planetary weather
- 20. Vast saltwater home to marine ecosystems
- 21. Solid foundation of Earth’s crust
- 22. Earth’s fertile layer for plant growth