Across
- 2. Usefulness of something.
- 4. Having something to do with the matter at hand.
- 5. Geometric shape.
- 10. Involving or causing a complete or drastic change.
- 11. Electric lamp that produces light.
- 12. Far away.
- 13. Share or exchange information.
- 14. A unit containing audio tape.
- 16. A device for mechanical recording and reproduction of sound.
- 18. waves Vibrations that travel through air or water and can be heard.
Down
- 1. An official document for ownership of an invention.
- 3. Machinery and equipment developed from the application of scientific knowledge.
- 6. Process or device that has been created.
- 7. Having been in existence for a long time.
- 8. A new idea, method or product.
- 9. A system for sending messages from a distance along a wire.
- 15. Sound system where sound is directed through speakers.
- 17. Compact disc containing recorded audio.