Across
- 1. a working model of a design that can be tested to see if it works
- 3. the application of science to meet human needs and solve problems
- 4. a professional who uses scientific knowledge to create or improve inventions that solve problems and meet needs
- 5. a powerful new technology based on experiments by Michael Faraday's experiments called maglev where train technology uses electromagnetic force to lift a train a few inches above the track
Down
- 2. a process used to build and test devices that solve technical problems