C12 Thermal Physics

What’s on the Specification

P4.1	Conduction: Know and understand thermal conductors and insulators, with examples. Know and be able to apply factors affecting rate of conduction.
P4.2	Convection: Understand and be able to apply the effect of temperature on density of fluid. Understand and be able to apply fluid flow caused by differences in density.
P4.3	Thermal radiation: Understand thermal radiation as electromagnetic waves in the infrared region. Know and be able to apply absorption and emission of radiation. Know and be able to apply factors affecting rate of absorption and emission of thermal radiation.
P4.4	Heat capacity: Understand the effect of energy transferred to or from an object on its temprature. Know and be able to apply $\text{specific heat capacity} = \frac{\text{thermal energy}}{\text{mass}\times\text{temperature change}}$ where temperature is measured in $^\circ \rm C$ and specific heat capacity, $c$, is measured in $\rm J\ kg^{-1} \ ^\circ C^{-1}$.
P5.1	States of matter: Know the characteristic properties of solids, liquids and gases. Know and be able to apply particle models of solids, liquids and gases. Know and be able to explain properties of solids, liquids and gases in terms of particle motion and the forces and distances between the particles.
P5.2	Ideal gases: Be able to explain pressure and temperature in terms of the behaviour of particles. Understand and be able to apply the effect of pressure($P$) on gas volume($V$) at constant temperature, i.e. $PV=\text{constant}$.
P5.3	State changes: Understand the terms melting point and boiling point. Know and understand the terms latent heat of fusion and latent heat of vaporisation. Know and be able to apply specific latent heat calculations.

Learning Objectives

Know temperature scales and be able to convert temperatures between temperature scales
Be able to calculate specific heat, latent heat and specific capacity of heat
Understand heat transfers in the forms of conduction, convection and radiation
Know molecular model of an ideal gas
Know gas laws
Understand the first law of the thermodynamics

Suggested Time

Task	No. of Questions	Suggested Time
Examples	12	90 min
Quiz	10	15 min
Practice A	35	80 min
Practice B	20	50 min
Total	77	approximately. 3-4 hrs

Practice:

P12A Thermal Physics: Foundation

Practice:

P12B Thermal Physics: Challenge

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