Learn fun facts about how rare metals are used in everyday items with this easy crossword puzzle made for 3rd to 5th graders. Perfect for kids curious about metals!
Exotic Alloys and Catalytic Marvels is a hard crossword puzzle with 15 clues covering . Play it online for free below, or create your own crossword with our free crossword maker.
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Exotic Alloys and Catalytic Marvels
Challenging puzzle for experienced crossword solvers
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Across
- 1. Low-toxicity replacement for lead in alloys and medicines
- 2. Invented element name hiding a puzzle – hint: fictitious
- 5. Magnetic rare earth enabling powerful permanent magnets
- 6. Rare earth aid in catalytic converters and glass polishing
- 7. Transparent conductor in touchscreens and LCDs
- 12. Densest metal used in fountain pen nib alloys
- 13. Metal that melts near room temperature, vital in semiconductors
- 15. Potential nuclear fuel alternative and high-temperature metal
Down
- 3. Series of rare earths vital for optical fibers
- 4. Corrosion-resistant metal used in nuclear reactor cladding
- 8. Platinum group metal key in electrochemical catalysis
- 9. Reflective, corrosion-resistant plating for automotive catalysts
- 10. Historic luminescent source replaced due to radioactivity
- 11. Rare earth enhancing magnetic strength and temperature stability
- 14. Resistant to corrosion, prized for capacitors’ core
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