write an activity to prove that our breath contains water vapour
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Just take a cold glass of water and place it anywhere for a while. You will see drop of water outside the glass. As the water vapors in the air strike the cold glass, they loose their kinetic energy and condense on the outer surface. That's why you see the water outside glass.
InshaGlams:
breathe ??
Allow your exhaling breath to hit a glass surface you can see vapour or by wiping it you can feel the presence of water
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