Topic Content:
- Temperature & its Measurement
- Types of Thermometer – Liquid-in-Glass Thermometer
- How Can you Increase the Sensitivity of a Liquid-in-glass Thermometer?
- Properties of Liquids as Thermometric Substances
- Why is Water not used as a Thermometric Substance?
Heat is a form of energyEnergy is the ability to do work. Energy exists in several forms such as heat, kinetic or mechanical energy, light, potential energy, and electrical energy. Units of Energy: The SI unit... More and it brings about a sensation of warmth. Heat flows from a hotter body to a colder body or from a point of higher temperature to a point of lower temperature. Heat is a scalar quantityA scalar quantity is a quantity that does not depend on direction. It can also be defined as a quantity with magnitude only. Examples of Scalar Quantities include area, density, distance,... More and it is measured in JoulesJoule is the SI (International System of Units) unit of energy and work. It is equal to the amount of work done when a force of 1 newton displaces a mass... More.
Temperature is the degree of hotness or coldness of a body. It is measured by a thermometer and its unit is Kelvin or Celsius. It is a measure of the average kinetic energy which each molecule of an object or substance possesses.
The most common thermometers used in the laboratory are the Celsius scale and the Kelvin scale. Before a thermometer is used to measure temperature, it must:
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