jueves, 2 de septiembre de 2010

vocabulary # 5

solar system = the sun and the objects that are traveling around it .

planet = any of the nine large bodies that travel around  the Sun and  shine by refleccting  its light .

gravity = a force of attraction  , or pull , between  any object and any other object around it .

insertia = the tendency of a moving object to keep moving in a straight line .

lithosphere = the hard, outer layer of Eath. about 100 kilometer thick .

crust = the ocky surface that makes up the top of the lithosphere .

resources = any material that helps support life on earth .

hydrosphere  =  Earth ' s water .


Image



solar system









Planet









gravity












inertia









lithospere












crust






resource







hydosphere

No hay comentarios:

Publicar un comentario