Video:Physical and Chemical Properties of Matter

Transcript:Physical and Chemical Properties of Matter

Each phase of matter has its own chemical and physical properties.

Phases of Matter

The phases of matter are:

• Solid – which has a definite shape and volume
• Liquid – which has a definite volume, but can change shape
• Gas - the shape and volume of a gas can change

Phase Changes of Matter

There are several ways in which phases of matter can change from one to another:

• Melting - melting occurs when a substance changes from a solid to a liquid
• Boiling - boiling is when a substance changes from a liquid to a gas
• Condensing - condensation is when a gas changes to a liquid
• Freezing - freezing is when a liquid changes to a solid

Classes of Changes in Matter

The changes that take place in substances may be categorized in two classes:

• Physical Change – a new substance is not produced and just the physical properties are changed. For example - phase changes, or crushing a can
• Chemical Change – a new substance is produced with different chemical properties. For example: burning, rusting, and photosynthesis.

Solutions

Sometimes, when two or more substances are combined it results in a solution. Making a solution can produce either a physical or chemical change. When there's a physical change in a solution, the original substances can be separated from one another. If a chemical change takes place while creating a solution, the original substances cannot be separated from one another.
Thanks for watching. To learn more, visit About.com.