Across
- 2. Study of matter, energy, and their interactions
- 6. Having an uneven surface
- 8. Child without parents
- 9. Apparition or ghostly figure
- 10. Adequate or sufficient
- 11. Large, tusked mammal
- 13. Set of letters in a systematic order
- 16. Mischievous or disobedient
- 19. Group of words expressing a concept
- 20. Victory or success
- 21. Unit of text with a distinct topic or idea
Down
- 1. Female child of a parent
- 3. Sudden expulsion of air from the lungs
- 4. Communication device
- 5. Award or token of achievement
- 7. Captured or seized
- 12. Instructed or educated
- 14. Engaged in battle
- 15. Expression of joy or amusement
- 16. Brother's or sister's son
- 17. Strong and durable
- 18. Marine mammal with a dorsal fin