Tamil English

Category : Science

Why is the cooking time reduced in the pressure cooker?
Why does a water bottle or 20 or 25 litre jar can suck the air and form bubbles inside when you pour the water from it?
When you drop a heavy metal ball and a feather from a certain height which one does fall first?
Why does a needle or paperclip float on the surface of the water if it is kept gently?
How does the water or juice move upwards through the straw while drinking?
Why is the water in the earthen pot cool?
Why do we pour hot tea from higher to lower distance to cool?
Why there is a gap between the railway tracks or in the bridge segments?
Why does the cold water bottle or cold drinks bottle sweat?

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