The Physics 2 Tutor: Learning by Example DVD series covers thermodynamics, oscillations & waves in physics through step-by-step example problems. Emphasis is placed on giving students confidence in their skills by gradual repetition so that the skills learned are committed to long term memory. Lessons cover the first law of thermodynamics in Physics, including how this law is derived and how it is applied to practical problems in physics. Grades 9-12. 60 minutes on DVD.