Topics from May 2017
- What are the different forms of energy?
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- How is light produced by an electric bulb?
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- How do we find direction in the sea?
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- Why does the sky appear blue?
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- What is electromagnetism?
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- What are nebulae?
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- What is a nuclear reactor?
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- How does a microscope work?
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- Why does iron get rusty?
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- Why does thunder follow lightning?
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- Why can’t we see stars during the day?
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- What is the structure of an atom?
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- Can matter be converted into energy?
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- What are the wonders of X-Rays?
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- What are asteroids?
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- How does a thermos flask work?
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- What are the different states of matter?
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- Why are all the heavenly bodies round?
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- How does sound travel?
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- How is weather forecast made?
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- What is pasteurization?
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- What are infra-red radiations?
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- How are millions of substances made from only a few elements?
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- Which material does not burn in fire easily?
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- How does a pressure cooker work?
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- What are radio waves?
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- Why do stars twinkle?
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- How does a microwave oven work?
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- Does any metal exist in a liquid state?
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- What is diamond?
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- How is iron obtained from the earth?
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- Why does the leaning Tower of Pisa not falls?
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- What is a mirage?
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- What causes ocean currents?
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- What causes tides in the sea?
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- Why does bread have pores?
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- How does snowfall occur?
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- How is the depth of the sea measured?
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- What is fire?
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- What is smoke?
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- How are icebergs formed?
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- Why does the size of the moon appear to change?
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- Why does wind blow?
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- Why do we perspire?
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- Why do women have a sweet voice?
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