Topics from April 2018
- Why does smoke go up the chimney?
Posted by Keshav Jain on
- What is fire?
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- What is dry ice?
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- How is Ink made?
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- Why does iron go red when heated?
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- What is an aerosol?
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- When does copper turn green?
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- What is a glass made from?
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- Why does stainless steel resist rust?
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- Why does an automobile have a carburetor?
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- What is plastic?
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- When does litmus paper turn Red?
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- What is a detergent?
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- Where does the wax go when a candle burns?
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- Why do some liquids burn?
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- Why is pollution a problem?
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- How do fire extinguishers work?
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- What is hard water?
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- When does an atom split?
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- Why are some metals chromium plated?
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- Why do exhaust fumes contain lead?
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- When does coal become a precious stone?
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- What is flint?
Posted by Keshav Jain on