Physical and chemical
From my journal
Physical property
Physical property is when a characteristic that's observed without changing it into something else.
Example 1: looking at an apple
Example 2: running with your feet
Example 3: looking at stuff
Chemical property
A characteristic that's observed when a substance interacts with another one.
Example 1: acid burning stuff
Example 2: mixing 2 potions
Example 3: spilling something on something
Physical change
A change in matter that doesn't affect its chemical composition.
Example 1: wetting paper
Example 2: cutting a piece of paper
Example 3: car rusting
Chemical change
A chemical reaction ; a process that changes substances into new substances
Example 1: making a cake
Example 2: burning wood
Example 3: digesting stuff