Physics
High School (11–12)
Heat & Thermodynamics › Temperature and Thermal ExpansionHeat & Thermodynamics › Calorimetry and Change of StateHeat & Thermodynamics › Heat TransferHeat & Thermodynamics › Kinetic Theory of GasesChapter 10Thermal Properties of Matter
A railway track has small gaps, a cup of tea cools in the room, ice at 0 degrees takes a lot of heat to melt, and the Sun warms the Earth through empty space. In this chapter we measure temperature and learn what it means, we find the law of the ideal gas, we find how much solids and liquids expand, we measure heat with the specific heat and the latent heat, and we study the three ways in which heat travels: conduction, convection and radiation. Python solves the mixing of hot and cold water, draws the cooling curve and finds the temperature of the Sun.
Part of Physics · High School (11–12) (chapter 10)
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Temperature, Gases and Thermal Expansion
A thermometer reads 37 degrees for a healthy person, and a gas at the same moment has a temperature of 310 kelvin. In this course we separate temperature from heat, we meet the Celsius, Fahrenheit and Kelvin scales, we find the law of the ideal gas and the meaning of absolute zero, and we find how much solids, liquids and gases expand when they are heated, including the strange case of water near 4 degrees.
Specific Heat, Calorimetry and Change of State
Water in a pan takes minutes to heat, and a metal spoon in it becomes hot in seconds. Ice at 0 degrees cools a drink much more than water at 0 degrees. In this course we define the specific heat, we use the method of mixtures to find an unknown temperature or specific heat, and we find the heat that is needed to melt a solid and to boil a liquid, with the latent heat.