Explore fun facts about lost inventions and forgotten gadgets in this medium-difficulty crossword puzzle designed for 3rd to 5th graders. A perfect blend of history and trivia.
Lost Inventions Trivia Crossword Puzzle for Educators is a hard crossword puzzle with 11 clues covering . Play it online for free below, or create your own crossword with our free crossword maker.
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Lost Inventions Trivia Crossword Puzzle for Educators
Challenge your knowledge with this hard crossword focused on obscure lost inventions and gadgets. Perfect for educators exploring historical technology trivia.
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Across
- 1. Edison’s device that first recorded and reproduced sound mechanically
- 2. Instrument once vital for measuring wind speed, reduced by modern tech
- 5. Mechanical device for computation, superseded by electronic processors
- 8. Device converting film images to electronic signals for television broadcast
- 10. Hero of Alexandria’s steam-powered invention, an ancient rotary engine
Down
- 3. Obsolete stereoscopic viewer that created a 3D illusion from flat images
- 4. Early apparatus detecting electric charge through mechanical movement
- 6. Memory metal once revolutionary for adaptive gadgets, acclaimed for shape-shift
- 7. Mechanical linkage copying and scaling drawings, now digitized
- 9. Early electrical communication system now replaced by digital messaging
- 11. Primitive cathode-ray tube used to record television broadcasts on film
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