The STEM Design Process consists of the following steps: Ask, Imagine, Plan.....
Create, Test, Improve
Live, Laugh, Love
Build, Destroy, Repeat
Create, Test, Forget
The 'mauri' of wai refers to....
The strength of a single fish
The amount of pressure in a pipe
The lifespan of water
The health of a water body
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 a plant sweats
When wai falls to earth as rain, snow, sleet or hail
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?
88,000 km
8800 km
888,000 km
800 km
How would an engineer get wai to travel through a pipe over small hill, without using a pump?
Gravity-fed siphon
Thermal expansion
Vortex circulation
Magnetic assistance
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
How rough the pipe material is
The colour of the pipe
The amount of space inside the pipe.
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?
Producing steam
Filtering water
Storing water
Measuring water pressure
TRUE or FALSE - All water pipes are buried underground.
False
What is typical order of components in a wai network?
Source > Treatment plant > Reservoir > Pipe network > Tap
Pipe network >Treatment plant > Reservoir > Source > Tap
Treatment plant > Reservoir > Source > Pipe network > Tap
Reservoir > Source > Treatment plant > Pipe network > Tap
Why are some water towers placed on high hills?
To keep them away from animals
To use gravity for water pressure
To reduce evaporation
To help with heating
Which of these is the correct definition of wai-paru
Flowing water
Salt water
Fresh water
Dirty water
