Physical and Chemical P&C
Aka: Physical and Chemical Properties and Changes
Physical Property
Definition: A characteristic of a substance that is observed when a substance interact with another substance.
3 Examples and Non-Examples
Examples
- Odor
- Hardness
- Size and Shape
- Toxicity- how toxins, like acids and mercury effect substances
Physical Change
Definition: A change in a substance that does not effect its chemical composition.
Examples and Non-Examples
Examples
- Ice Melting
- Water Evaporating
- Sublimation (Solid-Gas)
- Deposition (Gas-Solid)
Rotten Foods and Goods
Chemical Property
Definition: A characteristic that is observed when a substance interacts with another substance
Examples and Non-Examples
Examples
- Flammability
- Reactivity
- Combustibility
- Freezing Point
Chemical Change
Definition: A change in Matter that produces new substances.
Fire Time Lapse
Chemical changes vs. Physical changes
Examples and Non-Examples
Examples:
1. Fire to ash
2.Mixing acids and base
3. Water dissolving with salt
Non-Examples
1.Melting an ice cube