Across
- 2. Used for air transportation
- 4. Original purpose of a cell phone
- 5. A magnetic device that was used for navigation before GPS were invented
- 9. A computer that can perform tasks similar to a human
- 10. A method of reproducing texts & images
- 12. Humans use __________ in order to help meet their basic needs
- 14. Often used to bring shine light to a certain area and also part of Thomas Edison's introduction of electricity to the world
- 15. The _____ was one of humanity's greatest inventions that we still use today
Down
- 1. Tools from 3.3 million years ago were primarily made out of ______
- 3. First railways invention by Richard Trevithick after the invention of steam engine
- 6. Main transportation method on water
- 7. A device that sends transmissions morse code or audio (now) through long-distances
- 8. A state of combustion where humans could use for warmth, cook, and defend against predator
- 10. Recording an image of an object through the exposure of light and radiation
- 11. A device before mechanical clocks were created in 1250 to measure time using sand
- 12. An electronic device that the content is in a form of moving pictures with sound
- 13. A device that can store and process information by through inputs of a binary system