PPQ: Extension

i. Because it is not accurate
ii. Because the cardboard is actually being weighed
iii. Because the students weigh the pile themselves, while the collector could round up the amount of they  asked the collector

Exam question: Sugar cane burning

Maybe he could say that the Carbon Dioxide is already there and no more or no less can be taken or put in the atmosphere, the farmer may also say that the Sugar cane is a sink for carbon dioxide, and the plant takes in CO2 and when he burns it he releases CO2 so this is a balanced cycle

How to reduce pollution in the environment

Well there are many ways to reduce air pollution

You can do small things such as:
- Plant a tree
- sqitch of lights
- use public transport

or you can make major changes such as:
- use an alternative energy source e.g. solar panels
- use an  environmentally friendly method off transport

Also use spray cans that say HFC instead of CFC =]

You can try this website: http://www.dadacanada.com/index.php?option=com_content&view=article&id=31&Itemid=15

Outdoor Classroom results

Date: 28/3/11
Time: 13:45
Cloud type: Altostratus & Stratus
Cloud Cover: Overcast (90- 100%)

Current air temp.: 23.5
Max. daily air temp.: 25
Min. daily air temp.: 23
Current soil temp.: 26.4

Observation Spots	Local Time	Surface temp.
1	1:55	25.8
2	1:56	25.2
3	2:00	29.2
4	2:01	26.2
5	2:02	24.2
6	2:03	27.2
7	2:04	27.2
8	2:04	27.2
9	2:05	27.6

Whether update 31/3/11

time:17: 05
Outside temp:27.5
Presip.:0
Humidity:72%