The Shared Language of Measurement

General Knowledge · 10 questions

Ten multiple-choice questions on SI units, prefixes, and measurement conventions.

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1. What is the SI base unit of length?

   1. metre
   2. second
   3. ampere
   4. kilogram
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   A) metre

2. Which SI prefix denotes a factor of 10⁻³?

   1. kilo
   2. milli
   3. mega
   4. nano
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   B) milli

3. What is the SI base unit of electric current?

   1. volt
   2. ampere
   3. watt
   4. ohm
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   B) ampere

4. Which SI base unit measures luminous intensity?

   1. lumen
   2. watt
   3. candela
   4. lux
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   C) candela

5. How many grams are in one kilogram?

   1. 0.1
   2. 10
   3. 1000
   4. 100
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   C) 1000

6. An object's weight is a force expressed in which SI unit?

   1. newton
   2. joule
   3. pascal
   4. kilogram
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   A) newton

7. What is the SI base unit of thermodynamic temperature?

   1. joule
   2. pascal
   3. degree Celsius
   4. kelvin
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   D) kelvin

8. Which symbol represents the SI prefix micro?

   1. μ
   2. n
   3. k
   4. m
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   A) μ

9. What is the SI base unit of amount of substance?

   1. metre
   2. ampere
   3. second
   4. mole
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   D) mole

10. Which unit measures energy in the SI?

    1. newton
    2. watt
    3. joule
    4. pascal
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    C) joule