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