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.
Forgotten Devices and Their Secrets is a medium crossword puzzle with 6 clues covering . Play it online for free below, or create your own crossword with our free crossword maker.
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Forgotten Devices and Their Secrets
Moderate difficulty suitable for most players
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Across
- 1. Ancient steam-powered spinning device demonstrating early principles of reaction propulsion.
- 2. Predecessor to the phonograph that recorded sound waves visually.
- 4. An early device used to record and reproduce speech, rivaling the phonograph.
- 6. A Victorian-era clever device designed to secretly lock away liquor bottles.
Down
- 3. A mechanical device once used to encode and decode secret messages.
- 5. Ancient Greek mechanical device considered the first analog computer.
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