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 Wonders of Inventive Genius is a easy crossword puzzle with 18 clues covering . Play it online for free below, or create your own crossword with our free crossword maker.
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Forgotten Wonders of Inventive Genius
A crossword puzzle exploring rare, lost inventions and forgotten gadgets that once sparked innovation but vanished from modern use.
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Across
- 1. Ancient instrument used for solving problems related to time and the stars
- 2. Optical device for projecting images in the 18th century
- 3. Sight device used on surveying and measuring instruments
- 5. Gadget invented by Alexander Graham Bell to transmit sound on light beams
- 11. Early long-distance communication device using coded signals
- 12. Mechanical counting aid predating modern calculators
- 13. Mechanical model of the solar system
- 16. Early type of mechanical calculating machine
- 17. Refers to early electric battery technology by Alessandro Volta
Down
- 4. Device that transmitted handwriting through telegraph lines
- 6. Optical tool used to see over obstacles or underwater
- 7. Apparatus to view fast-moving objects in slow motion
- 8. Ancient fire-starting gadget that spontaneously ignites
- 9. Old motion picture projection device
- 10. Device designed to measure wind speed
- 14. Navigation tool used before the sextant
- 15. Early diving suit used for underwater exploration
- 18. Device for measuring or maintaining orientation
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