Physics, Monday, Class #3, Period 4

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Sam was probably looking a little tired as the students entered, but that didn't stop her from smiling at them, even as she held to her coffee mug like a lifeline. "I know I promised that we'd address Einsteinian definitions of gravity, but I've decided that makes more sense to discuss when we get into relativity. Today we'll be looking at the laws of thermodynamics. Traditionally, there have been three laws, but fairly recently a fourth--or zeroeth--has been added." She wrote four equations on the board and passed out some handouts explaining the laws in more significant detail.

"So, why do we care?" She paced back and forth in front of the class, gesturing with her coffee and perhaps jostling a person or two who might be dozing. "Because it explains how heat and energy work both within a single system and between systems. They explain how one event will always have a ripple effect, even if its ultimate result is completely unpredictable."

"For the rest of class, I'd like you to work on the experiment that's detailed in your handout packets. You may work either alone or in teams of two. Please be careful using the bunsen burners and make sure to wear the safety goggles at all times. I'll expect to see your graphs and charts at the end of class. Just leave them on the desk before you go."

[ooc: OCD in a second! is up!]