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Ch.9, Lesson 3Changing Matter

• Objectives:• Explore ways the matter can

change.• 2-Define and understand

physical change.• 3-Define and understand

chemical change.

Vocabulary:Physical changeChemical change

3

Ch.9, Lesson 3Changing Matter

• What is a physical change:

• When the matter change in size or shape.

• If you cut, fold, bend or tear matter you only change the shape of matter but the mass stays the same.

Vocabulary:Physical changeChemical change

physical change

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Ch.9, Lesson 3Changing Matter

• You can also change matter by mixing.

• is made of 2 or more different things.

• You can mix solids, liquids, and gases.

• You can separate them from a mixture too.

Vocabulary:Physical changeChemical change

Mixture

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Ch.9, Lesson 3Changing Matter

• Mixing is physical change when pieces of matter are mixed together, each piece is the same as it was before it was mixed.Vocabulary:

Physical changeChemical change

6

Ch.9, Lesson 3Changing Matter

• What is a chemical change:

• When the matter change into different matter.

• Properties of matter change.

Vocabulary:Physical changeChemical change

chemical change

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Ch.9, Lesson 3Changing Matter

• All matter doesn’t change in the same way.

• The air change the color of a fruit.

• The apple turns brown

• Water and air cause iron to rust.

•

Vocabulary:Physical changeChemical change

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10

Changing Matter

Physical Change Chemical Change

Shape Size Mixing Burning

Rusting Cooking

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Ch.9, Lesson 3Changing Matter

• Check for understanding:

• 1-What is a mixture?• 2-Name is it physical or

chemical change:Vocabulary:Physical changeChemical change