Science Web Surf (8th): The Periodic Table

Part 1: Periodic Table

http://periodic.lanl.gov/index.shtml

Part 2: Atoms and Elements: The Periodic Table

http://www.bbc.co.uk/bitesize/ks3/science/chemical_material_behaviour/atoms_elements/revision/4/

Part 3: Interactive: The Periodic Table

http://www.learner.org/interactives/periodic/