The Seven Base Units

What is the base unit for length?

• metre

• kilogram

• second

• ampere

What is the base unit for mass?

• kilogram

• gram

• pound

• ounce

What is the base unit for time?

• second

• minute

• hour

• day

What is the base unit for electric current?

• ampere

• volt

• ohm

• watt

What is the base unit for temperature?

• kelvin

• celsius

• fahrenheit

• rankine

What is the base unit for light?

• candela

• lumen

• lux

• watt

What is the base unit for the amount of substance?

• mole

• gram

• liter

• second

Examples of day-to-day tasks when you have used units of measurement include:

• Cooking recipes

• Measuring height

• Calculating distance

• All of the above

Approximately what length is the waste pipe in millimetres?

• 480mm

• 500mm

• 450mm

• 520mm

What is this measurement in metres?

• 0.48m

• 0.50m

• 0.45m

• 0.55m