addvertising movies

Nadia p's movie was about how they make pritty girls on bilboards and that alot of it is exsadurated. You wouldn't reconise who the person really was. the ad was to girls to tell them there is noting wrong with your imige. Those people had hours of makeup and then rearanged on the computer.

Plastiki

The Plastiki is a metal frame with 12,000 gas filled bottles for flotation and is not only a boat but a message to people to save the water and environment of plastic waste. It's powered by a wind turbine, solar panels and a bicycle like generator. Plastic gets brittle over time and breaks down but doesn't disappear. Instead it becomes tiny molecules and is absorbed by the fish.

After 2 years of planning the boat is finished and is ready for it's voyage from San Fransisco to Sydney. The crew don't care if they get there or not because they have already raised the problem to the public.

Haiti Disaster part 2

There is a lot of violence in Haiti now because they don't have enough food and resources for everyone. People are fighting over the food which the helpers give out. Rescuers are still searching a lot of buildings for survivors or bodies. Every day more helpers come to Haiti, mostly from USA because they are one of the closest countries.

Haiti Disaster

Haiti Disaster

The disaster here has crumpled buildings and kill hundreds. Many people are injured and have lost there homes. You don't need much to wipe out the community here let alone an earthquake of 7 on the rickdascale and otheres following.

Why is Fresh Water Scarce?

1. List the main reasons for water scarcity? The main reasons for water scarcity are low rain fall, land degradation, population growth and water pollution




2. What is a drought? What type of hardships do you think that a drought could cause if you were living in a village in a poor country such as Ethiopia? A drought is when less then usual rainfall happens over several years. Water is hard to get for a more wellthy town in a drought and a poor town in a place which gets alot of rain still finds it hard to get water so a town which is poor and in a drought must find it really hard. The people in a poor town try to grow their own food but if they are in a drouhgt then they have nothing to grow the food with.



3. How does land degradation affect the supply of fresh water? Land degradation makes the rain run off so no water infiltrates the ground into the ground water, so the wells would get less water and they would start getting salt water.

4.(a) What is El Nino? El Nino is a group of winds which change course every couple of years. El Nino winds travel across the Pacific ocean between Australia and South America.

(b) Why does El Nino often cause drought in Australia? El Nino reverses the winds carrying moisture to Australia, to carry it to South America. Dry hot winds come in through the Pacific to Australia.

5. Observe the map showing the global effects of El Nino in 1982-83.

(a) What effects does El Nino have on the availability of fresh water? In Australia they hardly have any water and in South America so much water comes down that it can cause flooding and that can pollute the water.

(b) Name the countries and describe the problems that arose from decreased rainfall caused by El Nino. Australia and Peru are the main countries which are affected by El Nino. The farmers in Australia don't have enough water to grow crops. Cities and towns are put on very tight water restrictions. In Melbourne households are given a target of only using 150 litres per day.

Kampung Water Cleaning Methods

Our class and other classes went to the Kampung to look at how they clean water. So on the bus we went, and these are the stations I went to.

Station 6
In this station our group looked at these tablets which could purify 20L of water over a period of 30min, 10L if the water is dirty. We also looked at these liquid purifiers which could purify 15L of water after shaking for 30sec and leaving for 30min, lots of thirties. The tablets cost Rp3,000, I don't really know the cost for the liquid drops.

Station 2
We then traveled to the little mosque where the people learn about water cleaning. There we learnt how poo can infect your food and 6 situations to wash your hands. They even made a song about washing which went to the tune of "If you're happy and you know it clap your hands" which went something like this,
TAMA MUCHI CAMAN MU CAMPOSHO ( ) (!) ( ) (!)
if you're happy and you know it clap your hands ( ) (!) ( ) (!)

TAMA MUCHI CAMAN MU CAMPOSHO ( ) (!) ( ) (!)
if you're happy and you know it clap your hands ( ) (!) ( ) (!)

DANA PASA NAMA AIR, TAMA NAMA AKU AIR
if you're happy and you know it, and you really want to show it

TAMA MUCHI CAMAN MU CAMPOSHO ( ) (!) ( ) (!).
if you're happy and you know it clap your hands ( ) (!) ( ) (!).

( ( ) (!) ) means a clap and remember that's not what they actually sang.

Station 4

Another way to clean really dirty water is to use PUR. PUR is a sandy substance which creates Floc. After stirring for 5min let it settle for 5min and then place the water in a filter for 20min. Which, what do you know?, adds up to 30min. They also had a big plastic water dispenser with a clay cup attached to the top. The clay acts as a filter for the water. I didn't get notes for how long it takes the water to go through the clay filter but according to the other ways, I would say it takes about 30 min.

I learnt a lot that day; about how to take care of your hygiene, different ways to filter water on a household scale and how the number 30 can influence your life. :) Overall the field trip was fun :) .

the water treatment plant

Last week my class went to the Water Treatment Plant. There we saw how the water in Jakarta is filtered to make it clean so that lots of people can get clean drinking water.

The first stage is to filter out the big pieces of rubbish. They do this by putting in a big grid and then some smaller ones to get some other sizes of rubbish.

Then they add chemicals and mixes it up to get lots of flock. they also have some filters here to get big amounts of flock.

The water then enters lots of huge pools in which the water settles and the flock goes to the bottom. the water on the top then goes trough holes at the top.

The water then travails to huge tanks with lairs and lairs of sand, rock, gravel, and other things to filter out the remaining of the dirt.

Thanks to this water treatment program you have clean drinking water to drink.

Evaporation: This is a picture of how Evaporation works. The blue wavy arrows are pointing where the water evaporates. The bright sun up on the top of the picture heats up the water and makes it into the gas water vapour.


Condensation: Condensation is when water vapour is turned back into water. Like when water vapour is hot it floats up and when it meets the cold temperatures up there it turns in to tiny droplets which form clouds. Condensation can also occur when hot water vapour hits some thing cold like a drink.

Precipitation: Precipitation is when the water in clouds cools and falls to the ground in the form of rain, snow or hail.

Infiltration: Infiltration is when water seeps through tiny gaps in the ground and goes into the water table. The water then travels to a lake, river, stream, creek etc. and travels along to the ocean or it just goes there straight off. The water can also be sucked up by our wells and other equipment.

typhon moricot attacks a hotel

This is tied to people and the environment because people made the hotel and they were included in the incident. The hotel fell down because the water dug out underneath the structure and made it claps. There was allot of rain that made the river come faster and higher. Another reason of the storing currents is that the land was in closed so the water didn't spread out.