Across
- 5. Invention used to avoid the spoiling of food
- 9. Tool used with a key; requires combination or key to access
- 10. Rail transport vehicle
- 14. Invention used to type out documents
- 15. Communication tool that works through a series of dots and dashes.
Down
- 1. Part of a living being that contains their genes
- 2. Language of touch; Form of reading for the blind
- 3. Bulb Thomas Edison's greatest invention
- 4. Instrument used as an alternative to sweeping, sucks in dust.
- 6. Tool to measure the temperature of one's body
- 7. Instrument held in hand to amplify voice.
- 8. Discovery that the sun is the center of the universe.
- 11. Piece of technology used to capture moments or photographs faster.
- 12. Instrument with a positive and negative end that attracts metal.
- 13. Instrument used by doctors to hear heartbeats.