Physics of Food/Cooking Rama Bansil Objective: teach basic physics using food/cooking as the bait

Science Content PY 107 Molecular Physics Bonds: Ionic, Covalent, van der waal’s bonds, H-bonds interaction energy, range of a force, electrostatics, density, moles, pH, concentration Thermodynamics Heat, Energy, Kinetic Energy, Temperature, Pressure, ideal gas law Phase transitions Entropy Diffusion Heat transfer Soft Matter Physics Conformational Transitions Polymers, aggregation Entropy of mixing Conformational entropy Elasticity, Viscosity, viscoelasticity, Self Assembly, Gels, Emulsions/ Foams, Dynamics and diffusion of polymers Molecular Physics Thermo- dynamics Food/ Cooking Soft Matter Physics

Science Content PY Labs Molecular Interactions—protein aggregation/ denaturation (cheese) PVT relation – pressure cooking (custard) Phase behavior—phase diagram (ice cream) Elasticity and Viscosity—Force, modulus, viscosity (cake, oil, thickeners) Self Assembly and gelation— Ionic Gels, diffusion (chocolate caviar) Physics of foams and emulsions (mayonnaise) Heat Transfer- Conduction, diffusion (molten chocolate cake) Lectures Demos with Food Simulations –molecular aspects Numerical Examples Simple derivations--Scaling analysis Interactive PRS questions to class Guest Lectures Homework/ Exams Weekly problem sets—quantitative and conceptual questions Mid Term and Final Exam with numerical problems and multiple choice conceptual questions Labs Lectures/De mos Food/ Cooking Homework

Handout Sample Lab Examples of Homework Problems Lecture Handout

Learning Objectives In this lab, Part I, you will observe how the melting point of an ice + salt mixture changes with salt concentration. In part II, you will use this information to make ice cream by manual shaking.

Lab Salt water phase diagram/ ice cream

SIMULATIONS—illustrate molecular properties Molecular Workbench VMDL ( Developed at Ctr. For Polymer Studies, BU—Sergey Buldyrev / Gene Stanley/ RB) In class Derivations, Simulations Derivations: Use dimensional analysis, Equation relating molecular properties to physical properties Interactive teaching—use PRS (clickers) to pose conceptual questions during lecture

Comparison to other general physics course PY 132– Physics of Motion– Bill Skocpol – Mechanics: Energy, power, speed, gravitational acceleration, forces, momentum, projectiles, terminal speed: examples from sports – Scaling and animal motion – Buoyancy, floating – Sound waves, oscillations 7 labs, 9 homeworks

Other similar thematic PY 1xx courses PY 103 Cinema Physics (Andy Cohen) PY 100 Physics of the Twentieth Century and Beyond (Glashow)