Across
- 2. Outer shell of Earth, comprising the crust and upper mantle (11)
- 3. Scenic Scottish region known for its lochs and hills (7)
- 5. Capital city of Wales (9)
- 7. Long river flowing through London (6)
- 8. Instrument for inscribing on a slate or board (5)
- 11. Fowl traditionally consumed during a November American holiday (6)
- 12. Celebrated British monarch who ruled for over 60 years (8)
- 14. School where students might wear blazers and ties (9)
- 15. Famous British playwright known for "Hamlet" and "Macbeth" (11)
- 16. Typically hot month when academic institutions have recess (6)
- 19. Vast expanse of saline water covering Earth's surface (5)
- 20. coastal area commonly visited for relaxation and recreation (5)
Down
- 1. Annual British tennis tournament held in London (10)
- 4. This subject deals with abstract concepts and theorems involving variables (11)
- 6. Classical British author of "Pride and Prejudice" (8)
- 9. Ancient language often taught in British schools (5)
- 10. Phenomenon of glowing lights in high-latitude regions (13)
- 13. Severe financial downturn in the 1930s (10)
- 17. ORWELL british author of "1984" and "Animal Farm" (6,6)
- 18. Avian species known for vibrant plumage and mimicry skills (6)