Across
- 2. Equipment with a screen that receives images from far away places
- 4. Not known or decided
- 5. To show something
- 7. A ship that can operate below water
- 10. A device that measures how far a person walks
- 12. Having many fingers or toes
- 13. A device used to see things far away
- 14. A flat shape with many straight sides
- 15. Relating to measures of lines and shapes
- 16. To say something with power
- 17. A book that gives information about words
Down
- 1. Not often found or seen
- 3. A device used to measure how fast an vehicle is moving
- 6. A device used to talk to someone far away
- 7. A person or thing that takes the place of something else
- 8. Not what you thought would happen
- 9. A person who knows many languages
- 11. To go under the surface of something