Monday 26 November 2012

Changing States

When ice is left at room temperature, it will slowly melt. This process is called melting.
If we put water in the freezer, the water will turn into ice. This process is called freezing.
Boiling is a process that changes water into water vapour at a certain temperature.
When water is heated, the water at the surface changed into water vapour. The process is called evaporation.
The water droplets are formed when water vapour in the air turns into water as the side of glass is cold. This process is called condensation.

4 comments:

  1. Penjelasan beeserta gambarajah yang cantik, sangat sesuai untuk para pelajar. Bagus

    ReplyDelete
  2. Gambar sangat menarik dan penerangan sungguh jelas.

    ReplyDelete
  3. Bagus,penerangan cikgu adalah jelas.Teruskan usaha cikgu.

    ReplyDelete