Across
- 1. you use it to solve problems
- 3. field of sciences
- 5. two girls
- 8. between the child and the adult
- 10. when you're not captive
- 12. Rudolph is one of them
- 14. magic night in december
- 15. Hedi Lamarr discovered that
Down
- 2. a movie which deals with ghosts
- 4. it protect the soldiers
- 6. a person who does maths
- 7. the...of the crown
- 9. when you do maths with letters
- 11. you see it outside in winter
- 13. which is invent