QuizScience quiz: medium round
Ten questions that need a little thought. A good round to split the teams. Tap an option to answer, or send the whole round to your group.
What is the chemical symbol for gold?
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Au. Au comes from aurum, the Latin word for gold.
Which is the hardest natural substance?
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Diamond. Diamond, a form of carbon, is the hardest natural substance.
About how fast does light travel in empty space?
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3,00,000 km per second. Light travels about 3 lakh kilometres every second.
What is the SI unit of electric current?
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Ampere. Current is measured in amperes.
Who gave the theory of relativity?
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Albert Einstein. Albert Einstein published it in the early 1900s.
What is the pH of pure water at room temperature?
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7. Pure water is neutral, with a pH of 7.
Which gas makes up most of the air?
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Nitrogen. About 78 percent of air is nitrogen.
What is the process by which green plants make food using sunlight?
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Photosynthesis. Plants make food from carbon dioxide and water using sunlight.
What is the SI unit of force?
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Newton. Force is measured in newtons.
Which element has the chemical symbol Na?
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Sodium. Na comes from natrium, the Latin name for sodium.
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