Science & Technology Trivia Questions
Total Questions: 5
What gas, now employed in welding and known by the symbol He, has also been used to lift balloons and dirigibles?
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helium
Which more common element replaced germanium in semiconductors?
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silicon
What gem may be found in the tip of your dentist's high-speed drill, which is made of tungsten carbide?
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diamond
What is the scientific study of sound?
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acoustics
What device produces an intense beam of light and comes in forms such as ruby, liquid, and gas?
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laser
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