Chemical and Physical Changes
Cridts
Parspapate
definition
image
Reactivity
exzamples
Definition
rusting
Reactivity is when tow or more thing react chemically to each other. Explosions, rusting, and all Chemical changes are due to this. An objects reactivity decides what it react to .
physical changes
Definition
Examples
A physical change is when an object changes form but doesn't change it's chemical properties.
This is not a chemical change because
the properties of the paper and paint do not change. This applies to some types of color change.
chemical change
Examples
Definition
chemical change is when two or more things
chemically react.This includes tarnish, reactivity,precipitate, some types of color change, or the production of something new in gas, solid,or liquid form.