Across
- 2. Stone that helped decode Egyptian hieroglyphs
- 4. Famous waterfall on the US-Canada border
- 6. Large sea wave caused by an underwater earthquake
- 9. Event where one celestial body obscures another
- 10. Large aquatic reptile with a strong jaw
Down
- 1. Expensive spice derived from flowers
- 3. Longest river in South America
- 5. Mysterious triangle in the Atlantic Ocean
- 7. Popular Italian pasta dish
- 8. Element used in computer chips