www.cellsalive.com/cells/cell_model.htm
Love this site! It shows models of plant cells and animal cells; describes the difference between eukaryotic and prokaryotic cells; and describes the function of the organelles. The site includes activities and quizzes as well.
go to www.dictionary.com enter the organelle name and page down to the middle of the screen where you see the megaphone icon. Press the icon to hear the cell organelle name pronounced.