Across
- 3. the distance between the top and the bottom of a wave
- 6. extremely interesting
- 8. extremely fat
- 10. the time when something happens
- 12. a piece of equipment that changes the strength of an electrical current
- 17. a device for measuring the strength of an electric current in units called amps
- 18. a cold mixture of vegetables that have not been cooked, usually eaten with meat, cheese, etc.
- 19. a long, thin vehicle that travels along metal tracks and carries people or goods
- 21. making you laugh or smile
Down
- 1. a situation in which everyone agrees with each other
- 2. a method of writing numbers as the product of their factors or divisors
- 4. one or more turns of wire forming a continuous coil through which electricity passes
- 5. a book or film with an exciting story, often about crime
- 7. two slices of bread with meat, cheese, etc between them
- 9. relaxed and friendly
- 11. the mathematical representation of a wave, especially a graph obtained by plotting a characteristic of the wave against time
- 13. someone who plays a musical instrument, often as a job
- 14. behaving in a way that is not polite and upsets people
- 15. your male parent
- 16. very strange
- 20. a space between two lines or surfaces that meet at one point
- 22. a part of an atom that has no electrical charge