Bell Ringer Aug. 26th Draw a picture of a physical change and a chemical change.

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Presentation transcript:

Bell Ringer Aug. 26th Draw a picture of a physical change and a chemical change.

2 Types of Physical Changes An extensive property is a property that changes when the size of the sample changes. Examples are mass, volume, length, and total charge. An intensive property doesn't change when you take away some of the sample. Examples are temperature, color, hardness, melting point, boiling point, pressure, molecular weight, and density. Because intensive properties are sometimes characteristic of a particular material, they can be helpful as clues in identifying unknown substances.

Closing Task Aug. 26th KAHOOT IT!!!