Chemistry: Matter

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Chemistry Matter
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Science Lesson 1 What are Properties of Matter?

• What is matter?
• What are some examples of matter?

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Elements

• Elements are building blocks of matter
• Cant be broken down into smaller pieces
• Only a few combine to make up all kinds of matter

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More About Elements

• Only a few elements exist in nature in pure form.
  Which precious metal is pure?
• What is your body mostly made of?
• Carbon, hydrogen, oxygen and nitrogen
• make up 96 of you!

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Physical Properties of Matter

• What are physical properties?
• How we describe it just from our observations
• We can describe somethings
• Color
• Hardness
• State of matter
• Magnetism
• Dissolves in other substances
• Temperature at boiling point
• Temperature it freezes
• Conducts electricity
• Mass
• Weight

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Mass vs. Weight

• Mass how much matter makes up an object
• Weight how much gravity pulls an object
• Imagine you go to
• the moon.
• Which changes
• your mass
• or your weight?
• You weigh six times more on the Earth!

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Chemical Properties of Matter

• Tells how the substance may form a new substance
  when mixed with something else
• Examples
• Wood is flammable ash and gases
• Water is not flammable
• Iron can rust combines with oxygen
• Gold does not rust