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