Chapter 1 and 2
Info and Links:
Footprint calculator: http://www.footprintnetwork.org/en/index.php/GFN/page/calculators/
Work and Energy: https://www.khanacademy.org/science/physics/work-and-energy
Work and Energy: https://www.khanacademy.org/science/physics/work-and-energy
Files:
Videos: