Across
- 2. a first or preliminary version of a device or vehicle from which other forms are developed.
- 5. a machine for producing continuous power in which a wheel or rotor, typically fitted with vanes, is made to revolve by a fast-moving flow of water, steam, gas, air, or other fluid
- 6. relating to or denoting the generation of electricity using flowing water
- 7. a person who is studying or has expert knowledge of one or more of the natural or physical sciences.
- 8. a mechanical device for propelling a boat or aircraft, consisting of a revolving shaft with two or more broad, angled blades attached to it
Down
- 1. a dynamo or similar machine for converting mechanical energy into electricity
- 3. a thing made or adapted for a particular purpose, especially a piece of mechanical or electronic equipment
- 4. a person who invented a particular process or device or who invents things as an occupation