Measurements

• What is one of the first recorded units of measurement?

  Cubic
• How was cubic measurement determined?


  By filling a container with volume seeds and counting them
• What does the term 'span' refer to in measurement?

  The distance from the little finger to the tip of the thumb of an outstretched hand
• What is the definition of 'palm' in measurement?

  The distance across the base of four fingers that form the palm
• What does 'digit' refer to in measurement?

  The thickness or width of the middle finger, approximately three quarters of an inch
• What was the Roman definition of an inch?

  The thickness or width of the thumb
• How did King Henry I define a yard?

  As the distance from the tip of his nose to the end of his thumb on his outstretched hand
• What is a great circle in terms of Earth measurement?

  It is the only circumference of the Earth, such as the meridians that pass through the poles
• Who proposed a standard unit of length as one minute of arc of a great circle of the Earth in 1670?

  Gabriel Mouton
• What unit of length did Jean Picard propose?

  The length of a pendulum that took 1 second to swing back and forth
• What significant measurement system was devised by the French Academy of Sciences in 1790?

  A new system of measurement
• What is the new unit of length introduced in the metric system?

  Meter
• What does the Greek word 'metron' mean?


  To measure
• How long is a meter in inches?

  About 39.37 inches long
• What is the metric unit used for determining mass?

  Gram
• What is the metric unit used for volume?

  Liter
• What are the key units of measurement introduced in the metric system?

  • Meter: unit of length
  • Gram: unit of mass (weight)
  • Liter: unit of volume