Physical Property/Changes vs. Chemical Property/Changes

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Physical Property/Changesvs.Chemical
Property/Changes

• How can we describe matter?

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There are two ways to describe matter

• You can describe matter by its
• Physical properties/changes
• Chemical properties/changes

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Physical Property/Changes

• Examples of physical properties/changes
• Describing/changing the size
• Describing/changing the shape
• Describing the color
• Describing/changing the texture (how it feels)
• Describing/changing the temperature
• Changing the state of matter (solid, liquid, gas)

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Chemical Property/Changes

• Examples of chemical properties/changes
• Reacting with something else to create explosion,
  bubbles, fizzing, foaming, fire
• Changing into something new
• Rusting or tarnishing
• Baking/cooking
• Changing the color

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Examples

• The elephant has a mass of 6000 kilograms
• Physical or chemical property/change?
• Why?

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• Physical
• You are describing the size

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• The metal spoon can be bent in half
• Physical or chemical property/change?
• Why?

8

• Physical
• You are changing the shape or size

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• The mentos react with the pop creating gas
• Physical or chemical property/change?
• Why?

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• Chemical
• Foaming, Fizzing, bubbles or explosion

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• The pig is pink and its skin is smooth
• Physical or chemical property/change?
• Why?

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• Physical
• You are describing the color and texture

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• A match is struck against the ground and creates
  fire.
• Physical or chemical property/change?
• Why?

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• Chemical
• Fire!

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• A firework is lit and it bursts in the sky
  creating light and sound
• Physical or chemical property/change?
• Why?

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• Chemical
• Something new created, fire, or explosion