Hoffmannfiles

Another excellent Edublogs.org weblog

Archive for November, 2008


Algal blooms in Lakes and Rivers

Answers need to discuss the importance of Nitrogen, phosphorus, Oxygen and Carbon in your answers.

Here are some handy websites:

Green algae

http://www.watercare.net/wll/himp-algalblooms.html

Blue green algae

http://www.science.org.au/nova/017/017key.htm

http://en.wikipedia.org/wiki/Cyanobacteria

With fish tanks why do you need to move the PH levles up and down??

If you have a theory write a comment.

Why are fish dying at the same time in the same spot. is it our fault?

If you have a theory post a comment below.

how is farting mud made and how does it work? why does farting mud stink????

If you have a theory add a comment.

9 Blue’s photo’s of the school wetlands

 Jess Wain

Kate Vanina

 Megan Laidlaw

 Craig

How good is our water quality?

teachersbugsurveyguide

Click on this link to see what water quality our bugs can handle

I saw something…..

So I took a picture…

It’s a bird, it’s a plane, no it’s ………

9 Green’s Photos from Wetland and Mr Sawyer’s Dam.

 Annie and Erin

 Maddie and Claire

Jack and Macca

Josh and Sam

 

Big Bertha- Sam and Josh

 Mr Hoffmann.

And the winner is…………

Best questions include:

emily Says: why are fish dying at the same time in the same spot. is it our fault?

Erin Says: With fish tanks why do you need to move the PH levles up and down??

James Porter Says: why do fish start in the shallows of the morning and in the afternoon go to the deep water?

brad Says: why are some lakes clear aND some lakes not?

kvsickk. Says: can water bugs survive out of water? if so how long can they go on land without water?

belinda Says: does water skiing effect lakes? if so why?

Ok. I can’t choose a winner. These are better questions than I expected.  The whole class gets Mars bars.  Don’t let me forget!

Oh and did I come good with the pizza or KFc deal for the fireworks?  That will be decided soon.

If you think you have some answers post in a comment here.

Hey guys. If you think you know the answer to some of the questions that other members of the class have asked give the answers here in a comment.  make sure you copy and paste the question into your comment before answering.  the best answers will be published.