Do you know water vapour is present in the air?? Water vapour is a gaseous form of water. Let's prove that water vapour is present in air?
Materials:
Clean glass tumbler
Dry towel
Ice cube
Wipe the outside of the glass with a clean dry towel to ensure it is dry from the outside.
Place a few ice cubes inside the glass and wait for a few minutes.
Observe: You would notice the outside of the glass turns misty and finally droplets of water appear on the outside of the glass
HOW DOES THE WATER COMES OUTSIDE THE GLASS???
This happens because of condensation. Water vapor is present in air and when comes contact with cold objects changes into liquid form
Materials:
Clean glass tumbler
Dry towel
Ice cube
Instructions
Wipe the outside of the glass with a clean dry towel to ensure it is dry from the outside.
Place a few ice cubes inside the glass and wait for a few minutes.
Observe: You would notice the outside of the glass turns misty and finally droplets of water appear on the outside of the glass
HOW DOES THE WATER COMES OUTSIDE THE GLASS???
This happens because of condensation. Water vapor is present in air and when comes contact with cold objects changes into liquid form
