Properties and changes
By -Suchira Karusala
A change that completely changes the appearance of an object and changes it to another substance.
Burning paper and wood.
Compounds broken down.
There are 5 indicators you can observe to see if a chemical change is happening which are color,temperature,odor,precipitation and gas changes.
Different examples of changes
If you're on an IPad you can click on it to see it more clearly...
Physical vs. Chemical changes
Various pictures of physical and chemical changes.
Basic introduction of Physical and Chemical changes
If you look closely you can see definitions,pictures and tips.