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Thursday, 22 June 2017

Christchurch Water

1. CHCH StormWater: What is it? It is storm water that came from a storm or snow.
Where does it go? The water go to the sewers.
What contaminate it? The outside of the pipe.
2. Christchurch wastewater: What is it? The water in the toilet and the shower and the kitchen and all the water that leaves inside the house is waste water
Where does it go? it goes to the sewers
What contaminates it? The water goes down into the water.

3.Where does CHCH get its water?New Zealand relies on collection of rainwater for water supply and septic tanks for sewage disposal.
How is it purified?there is a filtiration
What pollutes our city water before we drink it? it doesn't have chemicals so it's clean.

4. Where does Auckland's water supply form? Hunua and waitakere ranges.

5. What water bourne diseases and parasite can we catch in NZ? Giardia also can make us have diarrhea.

6.Christchurch's water is treated after us
where is it treated? at city council
what are the steps involved in treating it?To treat water with chlorine bleach, put the water in a clean container and add 16 drops of bleach for every gallon of water. Stir in the bleach and let the water stand for 30 minutes. If the water does not have a little smell of bleach, repeat the dosage of 16 drops per gallon and let it sit for another 15 minutes.

The treated water goes to the sewers.

7. Small town do not always treat their waste water in the same ways as Christchurch. 

Thursday, 15 June 2017

Cabbage Chemistry

1.Write a conclusion explaining the significance of your results  though should explain why quik eze needed to be chewed rather than swallowed whole.

2. Today's prac
Cobbage Chemistry
*what does organic mean?


Prac: Red cabbage is used as an indicator it will change color in acids and bases. Put a couple of drops of each each test sample onto a spotting tray. Add a couple of drops of red cabbage. Note the colour.

Spotting title apple: purple
Lime: Pink
Lemonade: Green
Handy andy: Green
jiff:purple
Sodium Hydroxide: Lime green
Sulphuric Acid:Pink

Tuesday, 16 May 2017

Burner Flame



This is what we have done and it was awesome. I was waving my hand through the flame.

Helicopters

History of helicopters
1100- Chinese has made a toy which looks like a helicopter
1939- is the first practical flight of the first helicopter

Theodore von Karman and Lieutenant Stefan Petroczy is the one that built a working Airplane.

The Force acting on a plane is Thrust, Gravity, drag and lift

Image result for helicopters

Forces


  • What is a force 
  • What are the different types of force
Contact forces: Pushing a car up a hill or kicking a ball or pushing a desk across a room are some of the everyday examples where contact forces are at work. In the first case the force is continuously applied by the person on the car, while in the second case the force is delivered in a short impulse (physics)| impulse.
Non contact forces: 

Friday, 5 May 2017

My Art Work


These are my art work from term 1. I enjoyed doing these drawing and paintings. I rate my work 7/10, and I think that I did a very good job.

Wednesday, 3 May 2017

Exploring Blogs

We often share personal information when we are online. The people we share with could be our friends and family or people we don't know. We need to make smart decisions about what personal information we share online.