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Thursday 11 April 2013

Oamaru creek testing V2


Testing Oamaru Creek for

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: bucket , jars, paper.


Smell:


Prediction
Observation
Seawater
Smelt like salt
It actually smelt what i predicted
Tap water
smells fresh
I like fresh water because it taste nice
Oamaru Creek water by culvert
smells moldy
I think the culvert smells because people throw their rubbish in side.
Oamaru Creek water by bridge
Smells  like old and smelly
I think the bridge smell because ducks poo in the water.
My conclusion (what I found out): I thought the salt water smell yucky but it actually smelt like salt water.


Colour:


Prediction
Observation
Seawater
it will look like dark green water
Its actually what I predicted
Tap water
the tap water is clear
It actually what i predicted  
Oamaru  Creek water by culvert
the cluvet you can see  grey water
Its actually is dark grey
Oamaru  Creek water by bridge
the bridgewater has a yellow tinge
Its actually was light yellow

My conclusion (what I found out): I thought the bridge water was brown but it was Grey

Turbidity:


Prediction
Observation
Seawater
I think seawater taste like salt
It actually does taste like salt if you drink it
Tap water
tap water is yum and it nice

Its actually taste like fresh normal water
Oamaru  Creek water by culvert
culvert water is yuk because people throw their rubbish
Its Actually yuck because it has rubish  
Oamaru  Creek water by bridge
the bridgewater is gray
It smells yucky and old
My conclusion (what I found out):  I thought that we couldn't see through the    bridgewater But we actually could


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