Moderate difficulty suitable for most players
Historical Timeline of Unusual Measuring Instruments Crossword Puzzle for Kids is a hard crossword puzzle with 10 clues covering . Play it online for free below, or create your own crossword with our free crossword maker.
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Historical Timeline of Unusual Measuring Instruments Crossword Puzzle for Kids
Challenge kids aged 8–12 with this hard-level crossword puzzle exploring the historical timeline of unusual measuring instruments. Features advanced terms and key inventors.
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Across
- 1. Instrument estimating altitude by measuring boiling point of water.
- 2. Early temperature measuring device that led to the development of thermometers.
- 3. Instrument that measures the area of irregular shapes on maps or drawings.
- 6. Device that measures atmospheric pressure, crucial for weather forecasting.
Down
- 4. Highly accurate clock once essential for determining longitude at sea.
- 5. Famous scientist who invented a thermoscope, a precursor to the thermometer.
- 7. Ancient device used to measure celestial positions, vital for navigation.
- 8. Obscure early instrument for measuring minute electrical resistance.
- 9. Tool used since antiquity for precise measurement of thickness or diameter.
- 10. Navigational tool measuring angular distances between objects at sea.
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