Across
- 1. System that shows your exact location on Earth
- 4. Device that measures and shows time
- 7. Device that produces artificial light
- 11. Medical invention that prevents disease
- 12. System used to organize days, months, and years
- 13. Early technology used for heat, light, and cooking
- 15. Technology that lets doctors see inside the body
Down
- 2. Artificial replacement for a missing limb
- 3. Invention that made transport easier
- 5. Handheld device used for communication and apps
- 6. Technology that creates a digital, immersive world
- 8. Object that stores electrical energy
- 9. Tool used to find direction
- 10. Medium of exchange used for buying and selling
- 14. Machine that converts energy into movement