How Increase in Temperature Affects Viscosity of a

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How Increase in Temperature Affects Viscosity of
a Liquid

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Introduction

• Temperature is the numerical measure of cold and
  hot.
• Measurement of temperature is done by detecting
• heat radiation
• kinetic energy
• particle velocity a
• thermometric material behavior.
• Temperature can be calibrated in different scales
  including Kelvin, Fahrenheit and Celsius.

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Viscosity

• Is the measure of the level of resistance to flow
  of a liquid.
• It is the stickiness and thickness of a liquid.
• It is determined through the time it takes to
  flow through a viscometer tube.
• Viscometer tube is the instrument that is used in
  measuring viscosity.
• Thermometer measures temperature.

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Sample Example

• Viscosity of honey is higher than that of water
  at room temperature.
• This makes water to flow more freely as compared
  to honey.
• This due to honeys high viscosity.
• This can be explained by the structure of the two
  substances.

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Molecular Explanation

• The molecular structure of honey is more complex
  than that of water.
• This gives honey higher viscosity.
• The molecular structure of water is simple.
• It comprises of oxygen and hydrogen bonds.
• Honey has complex bonds of sugars.

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Temperature Effect

• Increase in temperature affects viscosity of a
  liquid.
• It is through impacting on its molecular
  structure.
• When temperatures are increased, the liquid is
  heated up.
• This excites the molecules and they start moving
  rapidly.
• Under normal circumstances atoms are the basic
  components of any matter are always moving.

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• The atoms form the molecules of the liquid and
  when heated.
• They start moving faster than normal.
• Energy caused by increased temperature makes the
  molecules move at a faster rate .
• They overcome the binding forces of the
  molecules.
• This makes the liquid more fluid decreasing its
  viscosity.

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