Physical and Chemical
By Autumn Martin
Physical Change
Definition
When matter is broken into smaller pieces or heated so that it changes from a solid to a liquid.
Picture of a Physical Change
3 examples
- Cutting paper
- Water to gas or ice
- Breaking your arm
Chemical Change
Definition
When matter is permanently changed on an atomic level.
Picture of a Chemical Change
3 examples
- Turning wood into paper
- Baking
- Rusting
Four Indicators of a Chemical Change
- Formation of gas
- Formation of precipitate
- Liberation or absorption of heat, light, or some form of energy
- Distinct change in color
Video
Amazing chemical reactions! - YouTube
www.youtube.com/watch?v=FofPjj7v414Apr 20, 2014 - 4 min - Uploaded by 7a9rian2
You need Adobe Flash Player to watch this video. Download it from .... Amazing chemical ...
Physical Property
Definition
A characteristic of a substance that can be observed without changing the substance into something else.
*Five senses: taste, touch, smell, hear, sight.
Picture of a Physical Property
Examples
- Color
- Hardness
- Luster
- Solubility
- Odor
Chemical Property
Definition
A characteristic that is observed when a substance interacts with another substance.
Picture of a Chemical Property
3 examples
- Ability to rust
- Ability to burn
- Ability to tarnish