Thursday, May 29, 2008

Oil digging!

Digging for oil is the way we collect oil, but finding oil is a whole other story. In science class we did an activity on how to find and dig oil. First, we learned that oil is created by dead marine life that was exposed to heat and pressure for millions of years. That is called a source which is one of the three components you need to find oil with. You also need an oil reservoir which is a space underground that holds the oil. The third component is a trap which is a lid over the reservoir that keeps the oil in the reservoir. Later, we were given three maps that said source, trap, reservoir. We then traced each map which made one big map and with that map we found sweet spots which was when all three components overlapped and lots of oil should be there. Then we went to different lab tables and decided on where we should dig for oil and started digging. For the first hole we dug we hit oil!The total cost we spent on the first hole was $825,000. For the next hole no oil but the third one oil. Holes four and five no oil. It was fun but expensive for a low estimate.

Water Cycle Demonstration

The water cycle is a natural cycle that purifies water. It is the evaporation of water into the air which will then travel to other natural water reservoirs such as lakes and clouds. In the first part of the demonstration some kids were given cups that said cloud and others got plastic spoons. The ones with plastic spoons were to take water from a certain reservoir and go to another. As a cloud you had to take water from the plastic spoons who represented evaporation. When clouds got full you dumped the water into the reservoir you were assigned to. After this a reservoir got extremely low while others were filled and some not changed. Then humans were added and at the rate humans took water they would be flooded soon. Finally, pollution was added. By the time the demonstration was over almost all of the reservoirs had pollution in it while some had barley any water left. Again the humans were flooded with pollution. This activity showed how the water cycle should always be balanced or there will be consequences.