Across
- 2. pictured in the mind of how something should be
- 6. a very smart or talented person
- 8. a machine that changes mechanical energy into electrical energy
- 9. accepting someone or something as having legal or official authority
- 11. planned and invented something complicated
- 12. tiny, invisible parts of an atom
Down
- 1. sending sound, images, etc. in the form of electrical signals to a radio, television, or computer
- 3. a form of energy that is carried through wires and is used to operate machines and lights
- 4. praise or special attention that is given to someone for doing something or for making something happen
- 5. relating to electrons
- 7. causing a great or complete change
- 10. small useful devices that are often interesting, unfamiliar, or unusual