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Curious Questions from Curious Minds!

Welcome to Curiopedia, where imagination and discovery take shape! Discover something new today with these curious questions from children. Click on the ‘View Answer’ button to find out the answer! If you want your (child’s) curious question answered and featured here, submit it now.

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Month Year

  • Fizz it up

    Why is carbon dioxide (CO2) added to soft drinks?

    Swastika Yadav , New Delhi

    Soft drinks have a certain amount of CO2 gas dissolved in them to produce bubbles. This is done by the manufacturers to make the drink fizzy. The gaseous CO2 comes in contact with water and undergoes a chemical reaction that produces carbonic acid. The carbonic acid imparts the acidic flavour to the drink. Without it the soft drink would taste flat.
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  • 3-D trivia

    What is a three dimensional figure?

    Uttam Prajapati , West Champaran, Bihar

    A three-dimensional figure is defined in geometry as any shape or object that takes up space. Thus, a solid figure that consists of length, width and height will be three-dimensional. These figures have thickness and depth. All physical things that you can touch are three-dimensional.
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  • Get nosy

    Why does our nose bleed at high altitudes?

    Rudraksh Bharti , Bhagalpur, Bihar

    At high altitudes, humidity (amount of water vapour in the air) reduces, and the air becomes dry. When dry air passes through the nasal cavity, it dries the nasal membranes that line the nose, forming a crust. If pressure is applied to the nose, then, these crusts bleed. The water vapour present in the air acts as a lubricant for the movement of air through our nose, and the absence of it increases friction and irritates our nasal membranes, resulting in bleeding.
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  • Eyes that trick

    Why does the moon appear white?

    Pugalendhi R , Sathyamangalam, Tamil Nadu

    The moon appears white because of the presence of photoreceptors, known as the cone in the retina of our eyes. The moon often appears to be in different colours through the year because of the way it reflects the sun’s light. But, its actual colour is grey. The moon contains magnesium, calcium, iron, aluminium, oxygen, feldspar, silicon, and pyroxene. These are basic minerals and collectively give the moon a grey colour.
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