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Class Clips

Secondary Science : Phys: Energy - Heat and Temperature

Clip description		Keywords
	Bimetallic strips and heat transfer Duration: 00:40 A demonstration of how a bimetallic strip works.	energy, heat, bimetallic, bimetallic strip, differential expansion, temperature, bimetallic

	Conduction of heat (pt 1/2) Duration: 00:14 Why do cups made of metal and polystyrene seem to be at different temperatures even though they contain water at the same temperature?	energy, heat, polystyrene, metal, temperature, materials

	Conduction of heat (pt 2/2) Duration: 00:30 Further explanation of why a metal cup feels colder than a polystyrene cup even though they contain water at the same temperature.	energy, heat, temperature, heat flow, material, metal, polystyrene

	Conduction, convection and radiation Duration: 01:06 A glass of iced water in the sun is used to exemplify three types of thermal transfer.	conduction, convection, radiation, sun, heat, thermal transfer, convection current

	Conduction, convection and radiation Duration: 03:08 An explanation, with particle animations, of conduction, convection and radiation.	Conduction, Convection, Radiation, Heat Transfer

	Convection and insulation Duration: 01:36 A brief introduction to convection and a more detailed description of insulation.	convection, insulation, polystyrene

	Differences between heat and temperature Duration: 01:29 The difference between heat and temperature is examined using different amounts of water heated with the same energy.	energy, heat, distribution, water, vibration, particle, temperature

	Expansion of metal Duration: 03:46 An investigation into the control of thermal expansion in the metal frame of a satellite and the testing of a special low-expansion metal called Invar.	heat, temperature, overheating, overheat, satellite, expansion, metal, Invar, aluminium

	Frying an egg with a paper pan Duration: 02:34 An egg is fried using an improvised pan made from newspaper, but why doesn't the paper catch fire?	heat, energy, physics, cooking, food, BangGoesTheTheory

	Grants to improve home insulation Duration: 02:40 Demand for home insulation in the East Midlands is at record levels as people cut costs. Some homes are eligible for a grant to improve insulation.	conduction, convection, radiation, heat transfer, energy transfer, training, installation engineers, price comparison, energy costs, fuel poverty, environmental concern, physics

	Heat energy transfer Duration: 01:06 An explanation of how heat energy always moves from hot to cold and how the energy is transferred.	energy, heat, controlling flow, heat travel

	Latent heat and changes of state Duration: 01:39 An explanation of latent heat energy. When substances change state, they either give out or take in heat energy.	change of state, latent heat, solid, liquid, gas, fixed temperature, boiling, freezing, condensing, physics, bitesize

	Temperature and thermometers Duration: 01:30 Two fixed points on a thermometer are defined using ice and boiling water.	energy, heat, temperature, scale, thermometer, ethanol

	The discovery of superconductivity Duration: 03:54 Jim Al-Khalili describes how Kamerlingh-Onnes' experimental work in cooling mercury led to John Bardeen's explanation of superconductivity.	ShockandAwe, Jim AlKhalili, Jim Al Khalili, Kamerlingh Onnes, superconductivity, mercury, John Bardeen, conduction, conductivity, insulation, superfluidity

	Thermostats for temperature control Duration: 02:23 A thermostat is used to control the temperature of an incubator for hatching birds' eggs.	energy, heat, temperature, thermostat, controlled temperature, incubator, feedback system

	Why doesn’t glass heat up in a microwave? Duration: 02:57 A piece of glass is melted using a blowtorch and then placed in a microwave to show that liquids absorb the energy more effectively than solids.	conduction, radiation, molecules, physics, BangGoesTheTheory

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Secondary Science : Phys: Energy - Heat and Temperature

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