Physical & Chemical
Aimi Taniguchi 6th Priod
A characteristic of a substance that can be observed without changing the substance into something else.
*Melting point of ice is 0°C.
*Boiling point of water is 100°C.
*Water is transparency.
*A bicycle get rust.
*A silver spoon tarnishes.
*Statue of Liberty tarnished by acid rain.
*Rip the paper to small pieces.
*Soild water > Liquid water > Gas water
1. Color changes
2. Gas produced
3. Temperature changes
4. New substance formed
5. Order released
*Burn the wood > turns to ashes.
*Burn a paper > turns to ashes.
*Baking a cake.