Evidence of Physical Change:
- Size change
- Shape change
- Process is reversible (can be undone)
- Phase/state change
- molecules do not change (no broken bonds and no molecules rearranged)
- Matter is the same (no new substances are produced)
Evidence of Chemical Change:
- Process is not reversible (cannot be undone)
- Unexpected color change
- Texture change
- Light is given off
- Sound is given off
- An odor is released
- Gas is released
- Smoke is released
- Temperature Change