• Question 1: What chemical compound makes gypsum?
• Question 2: What is the name of the large mass of molten rock immediately beneath the Earth's crust?
• Question 3: What is the chemical potassium hydrogen tartrate often used for?
• Question 4: What is the chemical sodium tetraborate decahydrate often used for?
• Question 5: The world was declared safe from which virus in 1979?
• Question 6: What word describes the porous openings on the surface of leaves?
• Question 7: What is the term for rendered fat that is used in making soap or candles?
• Question 8: What is the word for a group of cranes?
• Question 9: Who developed the theory of evolution by natural selection?

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