Units and Measurements Quiz

When using units in plural, how should the symbol be written?

• Both a) and b)

• Add an 's' to the unit name (e.g., kilogram -> kilograms)

• Add an 's' to the symbol (e.g., kg -> kgs)

• Symbols don't change in plural form

Which of the following is NOT a unit of time in the SI system?

• Lightyear (ly)

• Day (d)

• Hour (h)

• Minute (min)

What is the correct symbol for the unit of electric current in the International System of Units?

• E

• A

• AC

• Amp

Which prefix denotes a factor of 1,000 in the SI system?

• Micro (µ)

• Centi (c)

• Kilo (k)

• Milli(m)

The conversion of 7 m into cm gives

• 70 cm

• 7 cm

• 700 cm

• 7000 cm

1 centimetre is ______ millimetres.

• 0.1

• 1000

• 10

• 100