Testing Omaru Creek
I am going to find out the differences in colour, smell and turbidity of oamaru creek.
I am going to test this by comparing different water samples from different locations along the creek.
Resources and equipment:
Buckets, Jar and Paper.
Smell:
Prediction
|
Observation
| |
Seawater
|
It smells like Salt
|
It smelt like Salt
|
Tap water
|
It smells like nothing
|
It smells like nothing
|
Omaru Creek water by culvert
|
It smells like Old rubbish
|
But is really smells like Dead fish
|
Omaru Creek water by bridge
|
It smells really Disgusting
|
nice (but when you shake it and smell it as soon as it opens bad)
|
Side of the lake
|
It kinda smells fresh
|
But it smells like fish
|
My conclusion (what I found out): I found out that most of my predictions were very close to my predictions.
Colour:
Prediction
|
Observation
| |
Sea water
|
It loke clearish
|
It really looks clear
|
Tap water
|
It looks clear
|
It looks clear
|
Omaru Creek water by culvert
|
oily leafy heaps rubbish
|
oily leafy heaps rubbish
|
Omaru Creek water by bridge
|
It looks cleanish
|
But is was kind of dirty
|
Side of the lake
|
Murky grey
|
Couldy
|
My conclusion (what I found out): That my predictions were not too far from the observation.
Turbidity:
Prediction
|
Observation
| |
Seawater
|
I thought it would be see through (kind of)
|
It was Totally see through
|
Tap water
|
I thought it would be see through
|
It was see through
|
Omaru Creek water by culvert
|
I thought it would not clear at all
|
It was not clear at all
|
Omaru Creek water by bridge
|
I thought it would be see through kind of
|
It was not clear
|
Side of the lake
|
I thought it would be clear
|
It was cloudy
|
My conclusion (what I found out): I found out that the water always moves along the stream so the oil can get to the bridge.