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SI Units quiz #4 Flashcards

SI Units quiz #4
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  • What SI unit is used to measure length?
    The meter (m) is used to measure length in SI.
  • What is the correct abbreviation for kilogram?
    The correct abbreviation for kilogram is kg.
  • What is the SI unit for measuring length?
    The SI unit for measuring length is the meter (m).
  • What is the base unit of length in the metric system?
    The base unit of length in the metric system is the meter (m).
  • Which SI unit for length is greater than a meter?
    A kilometer (km) is greater than a meter.
  • What is the standard unit used to measure mass? Cubic meters, kilogram, liter, meter
    The standard unit used to measure mass is the kilogram (kg).
  • What units are used when measuring the mass of an object?
    Mass is measured in kilograms (kg) or grams (g).
  • What are the most common metric units used in science?
    Meter (m), kilogram (kg), liter (L), and second (s) are most common.
  • Which of the following units is best to use when trying to identify an unknown substance?
    The mole (mol) is best for identifying the amount of a substance.
  • Which of the following is an apothecary unit of measurement?
    The grain (gr) is an apothecary unit of measurement.
  • To measure length using the metric system, which unit would you use?
    You would use the meter (m) to measure length.
  • Which is the SI base unit for time?
    The SI base unit for time is the second (s).
  • Which of the following is a base unit and symbol in the metric system?
    Meter (m) is a base unit and symbol in the metric system.
  • Which of the following units is the smallest?
    A milligram (mg) is smaller than a gram (g) or kilogram (kg).
  • Which of the following is the smallest unit of measure?
    A nanometer (nm) is the smallest among common metric units.
  • Why do scientists use the metric system?
    Scientists use the metric system for its simplicity, consistency, and universal acceptance.
  • What is used to measure mass?
    A balance or scale is used to measure mass.
  • The metric or SI system of measurement is defined and governed by which of the following?
    The SI system is defined and governed by the International Bureau of Weights and Measures (BIPM).
  • What are the units for weight?
    Weight is measured in newtons (N) in SI units.
  • What tool would you use to measure mass?
    A balance or scale is used to measure mass.
  • What is a common system of units used by engineers?
    Engineers commonly use the SI system of units.
  • What are the standard SI units for power?
    The standard SI unit for power is the watt (W).
  • Which system of measurement has been standardized worldwide for scientific uses?
    The SI (International System of Units) has been standardized worldwide.
  • What basic unit do scientists use to measure the mass of an object?
    Scientists use the kilogram (kg) to measure mass.
  • What is the SI system? What are its benefits?
    The SI system is the International System of Units; its benefits include standardization and ease of conversion.
  • What is the SI unit for pressure?
    The SI unit for pressure is the pascal (Pa).
  • The metric system is based on the?
    The metric system is based on the meter as the primary unit of length.
  • What is the SI unit for heat?
    The SI unit for heat is the joule (J).
  • What is the SI unit for intensity?
    The SI unit for luminous intensity is the candela (cd).
  • What is SI units shorthand for?
    SI stands for Système International d'Unités, or International System of Units.
  • Define weight. What is the SI unit for weight?
    Weight is the force due to gravity on an object; its SI unit is the newton (N).
  • What units do we use to measure the size of atoms?
    We use nanometers (nm) or picometers (pm) to measure the size of atoms.
  • Which unit of measurement is part of the metric system?
    The meter (m) is part of the metric system.
  • What is the metric unit for volume?
    The metric unit for volume is the liter (L).
  • What instrument is used to measure mass?
    A balance or scale is used to measure mass.
  • The mass of a sample is 550 milligrams. Which of the following expresses that mass in kilograms?
    550 milligrams is 0.00055 kilograms.
  • How many milliliters are in a liter?
    There are 1,000 milliliters in a liter.
  • What units are used to measure mass and weight?
    Mass is measured in kilograms (kg); weight is measured in newtons (N).
  • What is dm? 22 cm 30 cm 38 cm 76 cm
    dm stands for decimeter, which is 10 centimeters (cm).
  • Isabel wants to determine the mass of a metal block. What is the SI unit for mass?
    The SI unit for mass is the kilogram (kg).