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Across(Horizontalement)5. A negatively charged ion. 7. A positive electrode. 9. A common temperature scale. 10. An instrument for measuring atmospheric pressure.
Down(Verticalement)1. A negative electrode. 2. A non-conductor of sound, heat or electricity. 3. The scientific study of sound. 4. An instrument for measuring the temperature. 6. A positively charged ion. 8. Reflected sound.
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