Plant, Animal, and Bacterial 3 D cell models: You'll find lots of information here, but be prepared to be challenged. This is not a site for 5th graders.
A plant and animal cell worksheet: Check this out and learn more about cells.
A great diagram of a plant and animal cell
A simple comparison of plant cells and animal cells
What is a single celled animal?
What is a single celled plant?
Plant Cells: a story
Animal Cells: a story
Biology for Kids: Cells and cell structure