Temperature is a physical quantity that expresses the degree of hotness or coldness of a substance. It is measured using a thermometer and is usually expressed in Celsius, Fahrenheit or Kelvin. Temperature affects various physical properties of matter, such as ...
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Energy is the ability to do work. It exists in various forms such as kinetic, potential, thermal and chemical energy. It is a scalar quantity measured in joules (J). The law of conservation of energy states that energy can neither ...
Energy is the capacity to perform work or produce change and exists in various forms including kinetic potential thermal and chemical energy. It can be transformed from one form to another but cannot be created or destroyed according to the ...