Thursday, December 6, 2012

Changes in materials experiment

Do you know what is a reversible change and irreversible change ?
Reversible change is like a physical change.
Irreversible change is like a chemical change.
 When sugar is being melted it turns into a caramel.
The one in above is a reversible.
When paper is being burnt ash is formed.
The one in above is the example of irreversible change.
If you see this video you will understand more about reversible change and irreversible change


http://www.youtube.com/watch?v=DbOTWi6k4g8&feature=player_embeddedWhen sugar is being melted it turns into a caramel.
The one in above is a reversible.
When paper is being burnt ash is formed.
The one in above is the example of irreversible change.