dimecres, 10 de juny del 2009

GLOBAL WARMING (CdS).

GLOBAL WARMING.

Visit the links to answer these questions:

1. What is global warming?
-Carbon dioxide and other air pollution that is collecting in the atmosphere like a thickening blanket, trapping the sun's heat and causing the planet to warm up.

2. What is the process involved in the greenhouse effect?
-The greenhouse effect is the warming that happens when certain gases in Earth's atmosphere trap heat. These gases let in light but keep heat from escaping, like the glass walls of a greenhouse.

3. What signs warn us about global warming?
-An average increase in the Earth's temperature, which in turn causes changes in climate. A warmer Earth may lead to changes in rainfall patterns, a rise in sea level, and a wide range of impacts on plants, wildlife, and humans.

4. Can you quote another term for global warming?
-Climate change, greenhouse effect, enhanced greenhouse effect, radiative forcing.

5. Watch the video and explain this idea: Global warming: panic or reality?
-Reality. Because every time there is more natural catastrophes for the climatic change. If we do not avoid it, everything will finish.

*Give
five ideas to stop global warming.
1- Choose a compact fluorescent light bulb over an incandescent bulb.
2- By opting for a refrigerator with the Energy Star label - indicating it uses at least 15 percent less energy than the federal requirement.
3- Not going to the school with bicycle anywhere in going there by car.
4- Attempting to make a person alone in the car not go.
5- Recycling the different types of garbage