QuizScience quiz: tricky round
Ten harder questions. Give double points here if you like a dramatic finish. Tap an option to answer, or send the whole round to your group.
Which metal is liquid at room temperature?
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Mercury. Mercury is the only metal that is liquid at ordinary room temperature.
What is absolute zero on the Celsius scale?
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−273.15 °C. Absolute zero, 0 kelvin, is −273.15 °C.
Which is the lightest element?
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Hydrogen. Hydrogen is the lightest and most common element in the universe.
Who discovered penicillin?
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Alexander Fleming. Alexander Fleming discovered penicillin in 1928.
What does DNA stand for?
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Deoxyribonucleic acid. DNA carries the genetic instructions of living things.
Sound cannot travel through which of these?
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A vacuum. Sound needs a material to travel through. A vacuum has none.
C. V. Raman won the Nobel Prize in Physics in 1930 for work on what?
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Scattering of light. The Raman effect is about how light changes when it is scattered.
What is the chemical formula of common salt?
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NaCl. Common salt is sodium chloride.
Which particle of an atom has a negative charge?
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Electron. Electrons are negative, protons are positive, neutrons have no charge.
What is the unit of frequency?
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Hertz. Frequency is measured in hertz.
More Science rounds
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