PBS
Pbs Teachers: Scientific American: Mysteries of the Deep: Life Sized Drawing
Use a scale drawing of the Hunley as a model from which to draw a full-scale version of the Confederate submarine, the CSS H.L. Hunley.
PBS
Pbs Teachers: Scientific American: Beneath the Sea: Blowing Ballast
Explore the use of ballast to manipulate buoyancy in submarines by building a model of a submersible using two-liter bottles and balloons. Describe the balance of forces that is responsible for the surfacing and diving of submersibles.
PBS
Pbs: People & Discoveries: Ernest Rutherford
A lovely biographical piece about Ernest Rutherford. A number of personal notes, along with extensive information about the physics work he did. Nice quote at the end.