what websites can i find out about the difference between cell phones and house phones and house phones?

Question

science fair project need grade

Answer 1

depends on how in depth you want to be.

cell phones:
http://www.howstuffworks.com/cell-phone.htm

land line:
http://electronics.howstuffworks.com/telephone.htm

interesting reading comparing the 2:
http://www.techbuilder.org/views/165701991
http://ezinearticles.com/?The-Cell-Phone-Versus-The-Landline&id=104411