6th Grade

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6th Grade Unit 1 Chemical and Physical
Properties Lesson 1 Properties of
Matter Vocabulary of Instruction
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Chemical Property

• Any characteristic that is observed when a
  substance interacts with another substance.

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Conductor

• Metals that can transmit heat and electricity
  easily.

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Density

• A physical property that relates the mass and
  volume of an object or material.
• D M / V

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Mohs Hardness Scale

• A scale that ranks ten minerals from softest to
  hardest.

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Hardness  Mineral   Absolute Hardness  
1 Talc (Mg3Si4O10(OH)2) 1
2 Gypsum (CaSO42H2O) 2
3 Calcite (CaCO3) 9
4 Fluorite (CaF2) 21
5 Apatite (Ca5(PO4)3(OH-,Cl-,F-) 48
6 Orthoclase (KAlSi3O8) 72
7 Quartz (SiO2) 100
8 Topaz (Al2SiO4(OH-,F-)2) 200
9 Corundum (Al2O3) 400
10 Diamond (C) 1500
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Luster

• How a mineral reflects light from its surface.

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Magnetic

• Metals that are attracted to magnets and can be
  made into magnets.

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Mass

• The measurement of how much matter an object
  contains.

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Matter

• Anything that has mass and takes up space.

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Physical Properties

• Any characteristic of a substance that can be
  observed without changing the substance into
  something else.

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Property
Some properties of matter Some properties of matter
color hardness
taste mass
melting point volume
boiling point length
density shape
luster reactivity

• Any characteristics of a substance that are used
  to identify or describe it. They can be observed
  with your five senses.

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Volume

• The amount of space that matter occupies.