El medio ambiente, se caracteriza fundamentalmente por afectar o condicionar especialmente las circunstancias de la vida que nos rodea, como: agua, tierra, suelo, aire… The environment, it is characterized fundamentally for concern or to determine specially the circumstances of the life that surrounds us, since: water, land, soil, air …

El efecto invernadero: The greenhouse effect: El cambio climático: The environment: ``Efecto invernadero´´ es el fenómeno, por el cual determinados gases, que son componentes de la atmósfera, retienen la energía que el suelo terrestre emite y una parte de la misma la envían a la superficie de la Tierra. "Greenhouse effect" is the phenomenon, for which certain gases, which are components of the atmosphere, retain the energy that the terrestrial soil expresses(emits) and a part of the same one they send it to the surface of the Earth. “Cambio climático" : se dice que es un cambio de clima atribuido directa o indirectamente a la actividad humana que altera la composición de la atmósfera mundial y que se suma a la variabilidad natural del clima observada durante períodos de tiempo comparables. " Climatic change ": it is said that it is a change of attributed climate directly or indirectly to the human activity that alters the composition of the world atmosphere and that adds to the natural variability of the climate observed during comparable periods of time

¿Qué es el calentamiento global? -Se trata del creciente aumento de la temperatura terrestre a causa de la excesiva liberación de dióxido de carbono y otros gases que actúan atrapando el calor de la atmosfera. What is the global warming? -It is a question of the increasing increase of the terrestrial temperature because of the excessive liberation of carbon dioxide and other gases that act catching the heat of the atmosphere.

- We have to be kept informed, of the topics I happen environmental, and to act as they say to us. - To change the traditional bulbs into the compact fluorescent lamps. - To fix the thermostat to two degrees less in winter and two more degrees in summer. - To use less warm water. It is possible to use less warm water installing a shower - telephone of low pressure and washing the clothes with cold or lukewarm water. - To use a (colgador) instead of the tumble dryer of clothes. - To buy products of recycled paper(role). - To buy fresh food. - To recycle, providing that one could. - To use the public transport. -To plant trees, a hectare of trees eliminates, throughout one year, the same quantity of carbon dioxide that produce four families in the same time. An alone tree eliminates a ton of carbon dioxide along his life. …

NOMBRE: Mari Carmen APELLIDOS: Gómez Ros CURSO: 4ª ESO GRUPO: B ASIGNATURA: Física y Química PROFESOR: Don Antonio Camacho