Physics 11-29-16 A Sled and a Skier

PHYSICS: From Tuesday, a couple of work and conservation of energy problems. I love how you are thinking through theses! Keep it up!

Physics 11-29-16 A Sled and a Skier from Tammy Skinner on Vimeo.

Chemistry 11-29-16 Polymers

CHEMISTRY: We finally finished the chapter! Did you realize molecules could be that large? And so many of them. But don’t you think polymers are cool? Here’s the lecture for Tuesday. Don’t forget the Polymer Worksheet! Put the answers on sheets of notebook paper.

Some items for contemplation: why are certain plastics recyclable and others not…and what about dishwasher and microwave safe? Hmmmmm…

Chemistry 11-29-16 Polymers from Tammy Skinner on Vimeo.

Image source: http://www.packtech.ca/pb/images/img32161428fffbe41e07.jpg