Measurements

• What does the term "measurements" denote?

  The number of certain dimensions.
• How is a measurement made?

  By comparing a quantity with a standard unit.
• What is a "quantity" in measurements?

  An arbitrary number representing how much.
• What does the term "unit of measurement" refer to?

  What is being measured by the quantity.
• What is the example of a unit of measurement given in the material?

  Kilogram.
• What is "accuracy" in measurements?

  How close a measured value is to the actual/true value.
• How is "precision" defined in the context of measurements?

  How close repeated sets of measured values are to each other.
• What does "SI" stand for in the context of measurement systems?

  Systemé Internationale.
• What is a characteristic of the SI unit system?

  It is a decimalized system of measurement.
• How are intervals structured in the SI unit system?

  They are multiples of 10.
• What is a characteristic of the English unit system?

  It has varied interval sizes.
• What is the standard unit of length in the SI system?

  Meter (m).
• What are the common SI units for mass and their conversions?


  • MILLI = 1/1000
  • CENTI = 1/100
  • DECI = 1/10
  • DECA = 10
  • HECTO = 100
  • KILO = 1,000
  • 10 mm = 1 cm
  • 10 cm = 1 dm
  • 100 cm = 1 m
  • 1,000 m = 1 km
• What does "mass" refer to in measurements?

  The amount of matter in an object.
• How is "weight" defined?

  It is a measure of attraction between two objects due to gravity.
• What does weight depend on?

  The gravitational force.
• What is the example given regarding weight in outer space?

  A person would weigh less in outer space, but their mass would be the same as it is on Earth.
• What is the measurement of ordinary temperature called?

  Thermometry.
• What are the three major temperature scales?

  • Fahrenheit
  • Celsius
  • Kelvin
• 1. The dots are spread randomly around the bull’s eye.
  2. B. The dots are clustered together, but they are from from the bull’s eye.
  3. C. The dots are closer to the bull’s eye but farther apart.
  4. D. The dots are closer to the bull’s eye and clustered together.