Across
- 3. A communication system that sends information by making electrical connection and using Morse code.
- 4. Machine that quickly separates cotton fibers from their seeds.
- 5. A road vehicle, typically with four wheels, powered by an engine or electric motor and able to carry a small number of people from place to place.
- 6. A famous inventor known for inventing the lightbulb.
- 9. A device that captures images with lenses and access to light.
- 10. A device that permits two or more users to have a conversation when they are too far apart.
Down
- 1. An electric device with a wire filament inside that heats until it glows.
- 2. A machine used to sew fabric and materials together with thread.
- 7. A fixed-wing flying vehicle that is propelled forward by thrust from a engines and propellers.
- 8. A device that produces sound communication by waves, usually through the transmission of music, news, and other types of programs from broadcast stations.