Temperature is defined as a measurement of the warmth or coolness of an object or substance. An instrument called a thermometer is used to measure exact temperatures. Temperature is measured in units called degrees, using either the Fahrenheit or Celsius scales.
Measuring temperature is an important aspect of many parts of life. In cooking, it determines when food is cooked through or when water boils. In medicine, body temperature is used to determine if someone is ill. The outdoor temperature impacts how people dress on a given day. When measuring temperature, it is very important to document the scale used to avoid confusion.