Physical Properties of Matter

5.5A - classify matter based on physical properties

Matter

  • Matter is any living or non-living thing in the universe
  • All objects, things, plants, people, animals, etc are made up of matter
  • Anything that has mass and occupies space is matter – even the air you breathe is matter

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What matter can you observe in the picture above?

Properties of Matter

Properties are characteristics used to describe something.

Properties can be used to help identify a substance.

Hair color, eye color, height, and weight are all properties that can identify a person.

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What physical properties describe you?

Properties of Matter

  • Physical properties of matter are used to observe and describe matter.
  • Physical properties can be observed without changing the matter's composition (the make up of matter)
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How does the rose smell and feel? What color is the rose? These are properties.

List of Physical Properties:

These are some of the physical properties of matter:

Appearance
Mass
Magnetism
Relative Density
Solubility
Color
Odor
State of Matter
Ability to conduct or insulate


Observations

  • Some physical properties are easily observed.
  • Others require a tool for measurement such as mass or temperature.

Mass


  • Mass is the amount of matter in an object.
  • Mass is similar to weight, but they are not the same thing.
  • To measure the mass of an object, you can use a balance scale.
  • Mass can be measured in grams or kilograms.
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Magnetism

  • Magnetism is a physical property that can be tested by using a magnet
  • If an object is attracted (can be picked up) by a magnet, then it has magnetism
  • Only a few metals are magnetic – iron, nickel, and cobalt, and mixtures of those metals have magnetism

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State of Matter

  • State of Matter is also a physical property that can be used to describe matter.
  • There are 3 states of matter that you need to be familiar with:

1.Solid

2.Liquid

3.Gas

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Relative Density

  • Relative density is a physical property which can be used to describe whether an object will sink or float in water.
  • If the object is more dense than water, it will sink.

  • If the object is less dense than water, it will float.

Solubility

  • Solubility refers to the ability of a substance to be dissolved in another.
  • We will look at solubility in water – How much of a substance can be dissolved in water?
  • Solubility depends on the amount of the substance and the temperature of the water.

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Kool-Aid powder is soluble in water because it dissolves when added to water.

Warm water


  • Warm water will allow some substances to dissolve more rapidly.
  • Salt will dissolve in room temperature water, but dissolves faster in warmer water.
  • Once dissolved, the salt is invisible, but if you taste the water, you will know it is still there!
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