Which of these is the correct definition of wai-paru
Dirty water
Flowing water
Fresh water
Salt water
List 3 ways you can care for wai at home
Shorter showers, turn off taps when brushing teeth, check your home for leaks, empty water bottles onto plants, etc.
'Turbidity' refers to...
the clarity of water or how well a light beam can travel through it
How would an engineer get wai to travel through a pipe over small hill, without using a pump?
Vortex circulation
Magnetic assistance
Thermal expansion
Gravity-fed siphon
What is typical order of components in a wai network?
Pipe network >Treatment plant > Reservoir > Source > Tap
Reservoir > Source > Treatment plant > Pipe network > Tap
Source > Treatment plant > Reservoir > Pipe network > Tap
Treatment plant > Reservoir > Source > Pipe network > Tap
Approximately how many metres of pipe makes up Aotearoa New Zealand's wai network?
888,000 km
800 km
88,000 km
8800 km
Which of these is NOT a factor that influences the flow of wai according to Manning's equation?
How rough the pipe material is
The slope or angle at which the pipe is placed
The amount of space inside the pipe.
The colour of the pipe
True or false: 80% of Earth's freshwater is stored in ice caps and glaciers.
True!
TRUE or FALSE - All water pipes are buried underground.
False
The STEM Design Process consists of the following steps: Ask, Imagine, Plan.....
Live, Laugh, Love
Build, Destroy, Repeat
Create, Test, Improve
Create, Test, Forget
The 'mauri' of wai refers to....
The amount of pressure in a pipe
The lifespan of water
The health of a water body
The strength of a single fish
What is a reservoir used for in a wai network?
Measuring water pressure
Storing water
Filtering water
Producing steam
Why are some water towers placed on high hills?
To use gravity for water pressure
To help with heating
To keep them away from animals
To reduce evaporation
True or False: The water from your tap is the same as the water the first ever humans drank
True!
Precipitation is...
When water vapour turns back into a liquid
When wai on the land turns into a gas
When wai falls to earth as rain, snow, sleet or hail
When a plant sweats