1.2. Use of SI Units and Their Prefixes

Cards (43)

  • What does the International System of Units (SI) define?
    Measurement units
  • Match the base SI unit with its corresponding physical quantity:
    meter ↔️ Length
    kilogram ↔️ Mass
    second ↔️ Time
    ampere ↔️ Electric current
  • Match the base SI unit with its symbol:
    meter ↔️ m
    kilogram ↔️ kg
    second ↔️ s
    ampere ↔️ A
    kelvin ↔️ K
    mole ↔️ mol
    candela ↔️ cd
  • Match the SI prefix with its multiplier:
    milli- ↔️ 10^-3
    kilo- ↔️ 10^3
    mega- ↔️ 10^6
    tera- ↔️ 10^12
  • What is the multiplier for the prefix "yotta-"?
    102410^{24}
  • What is the multiplier for the prefix "micro-"?
    10−610^{ - 6}
  • The International System of Units (SI) uses a set of base units to define all other derived units.
  • SI prefixes are used to represent very large or very small quantities of the base units by acting as multipliers to the unit values.
  • The base SI units are used to define all other derived units.
  • What multiplier does the prefix 'giga-' represent?
    10^9
  • The prefix "giga-" corresponds to a multiplier of 10910^{9}
  • The prefix "exa-" has a multiplier of 101810^{18}
  • Steps to convert units using SI prefixes:
    1️⃣ Identify the prefixes you need to convert between
    2️⃣ Find the corresponding multipliers
    3️⃣ Multiply or divide the original value by the ratio of the multipliers
  • The International System of Units (SI) uses base units to define all other derived units.

    True
  • Match the prefix with its multiplier:
    tera- ↔️ 101210^{12}
    nano- ↔️ 10−910^{ - 9}
    centi- ↔️ 10−210^{ - 2}
    kilo- ↔️ 10310^{3}
  • The multiplier for "kilo-" is 10310^{3}
  • Which base SI unit measures thermodynamic temperature?
    kelvin
  • What is the symbol for the base SI unit of length?
    m
  • What is the multiplier for the prefix "milli-"?
    10−310^{ - 3}
  • What system is used for converting units in this study material?
    International System of Units
  • What operation is performed to convert between units using multipliers?
    Multiply or divide
  • What multiplier does the prefix 'milli-' represent?
    10^-3
  • How many meters are in 42.2 kilometers?
    42,200 meters
  • The base SI unit for measuring length is the meter
  • The base SI unit for measuring mass is the kilogram
  • The prefix "kilo-" has a multiplier of 10310^{3}
  • The first step in converting units is to identify the prefixes
  • To convert 5000 meters to kilometers, you divide by 1000
  • Match the prefix with its multiplier:
    kilo- ↔️ 10^3
    mega- ↔️ 10^6
    milli- ↔️ 10^-3
    micro- ↔️ 10^-6
  • How many base SI units are there?
    7
  • The base SI units are the foundation for all other derived units.

    True
  • The candela (cd) is the SI unit for luminous intensity.

    True
  • The prefix 'milli-' corresponds to a multiplier of 10^-3.
  • The prefix "milli-" has a multiplier of 10−310^{ - 3}

    True
  • The prefix "micro-" is represented by the symbol "μ".

    True
  • Convert 5000 meters to kilometers.
    5 km
  • Match the base SI unit with its quantity:
    meter ↔️ Length
    kilogram ↔️ Mass
    second ↔️ Time
    kelvin ↔️ Temperature
  • The seven base SI units include the candela, which measures luminous intensity.

    True
  • SI prefixes act as multipliers to base unit values.

    True
  • Steps to convert units using SI prefixes:
    1️⃣ Identify the prefixes you need to convert between
    2️⃣ Find the corresponding multipliers
    3️⃣ Multiply or divide the original value by the ratio of the multipliers