![Page 1: Thermal energy. Temperature is a measure of… The total amount of energy in an object The total amount of thermal energy in an object How much heat something](https://reader036.vdocuments.mx/reader036/viewer/2022070415/5697bfb71a28abf838c9eb38/html5/thumbnails/1.jpg)
Thermal energy
![Page 2: Thermal energy. Temperature is a measure of… The total amount of energy in an object The total amount of thermal energy in an object How much heat something](https://reader036.vdocuments.mx/reader036/viewer/2022070415/5697bfb71a28abf838c9eb38/html5/thumbnails/2.jpg)
Temperature is a measure of…
• The total amount of energy in an object
• The total amount of thermal energy in an object
• How much heat something gives off
• How fast the molecules in an object are moving
![Page 3: Thermal energy. Temperature is a measure of… The total amount of energy in an object The total amount of thermal energy in an object How much heat something](https://reader036.vdocuments.mx/reader036/viewer/2022070415/5697bfb71a28abf838c9eb38/html5/thumbnails/3.jpg)
Heat is…
• Energy given off or absorbed by an object
• A measure of the motion of the molecules in an object
• The total amount of molecular energy in an object
![Page 4: Thermal energy. Temperature is a measure of… The total amount of energy in an object The total amount of thermal energy in an object How much heat something](https://reader036.vdocuments.mx/reader036/viewer/2022070415/5697bfb71a28abf838c9eb38/html5/thumbnails/4.jpg)
How do we measure temperature?
Think about using a thermometer
![Page 5: Thermal energy. Temperature is a measure of… The total amount of energy in an object The total amount of thermal energy in an object How much heat something](https://reader036.vdocuments.mx/reader036/viewer/2022070415/5697bfb71a28abf838c9eb38/html5/thumbnails/5.jpg)
How does the thermometer know how hot the substance is?
![Page 6: Thermal energy. Temperature is a measure of… The total amount of energy in an object The total amount of thermal energy in an object How much heat something](https://reader036.vdocuments.mx/reader036/viewer/2022070415/5697bfb71a28abf838c9eb38/html5/thumbnails/6.jpg)
• The molecules of the substance bump into the thermometer and transfer energy. How often and how hard they bump into the thermometer are directly related to their speed.
![Page 7: Thermal energy. Temperature is a measure of… The total amount of energy in an object The total amount of thermal energy in an object How much heat something](https://reader036.vdocuments.mx/reader036/viewer/2022070415/5697bfb71a28abf838c9eb38/html5/thumbnails/7.jpg)
• Temperature turns out to be related to the average speed of the molecules in a substance.
![Page 8: Thermal energy. Temperature is a measure of… The total amount of energy in an object The total amount of thermal energy in an object How much heat something](https://reader036.vdocuments.mx/reader036/viewer/2022070415/5697bfb71a28abf838c9eb38/html5/thumbnails/8.jpg)
• Temperature is not a measure of the total amount of energy in an object.
• Thermal Energy = internal energy = a measure of the total kinetic and potential energy in an object
![Page 9: Thermal energy. Temperature is a measure of… The total amount of energy in an object The total amount of thermal energy in an object How much heat something](https://reader036.vdocuments.mx/reader036/viewer/2022070415/5697bfb71a28abf838c9eb38/html5/thumbnails/9.jpg)
![Page 10: Thermal energy. Temperature is a measure of… The total amount of energy in an object The total amount of thermal energy in an object How much heat something](https://reader036.vdocuments.mx/reader036/viewer/2022070415/5697bfb71a28abf838c9eb38/html5/thumbnails/10.jpg)
![Page 11: Thermal energy. Temperature is a measure of… The total amount of energy in an object The total amount of thermal energy in an object How much heat something](https://reader036.vdocuments.mx/reader036/viewer/2022070415/5697bfb71a28abf838c9eb38/html5/thumbnails/11.jpg)
![Page 12: Thermal energy. Temperature is a measure of… The total amount of energy in an object The total amount of thermal energy in an object How much heat something](https://reader036.vdocuments.mx/reader036/viewer/2022070415/5697bfb71a28abf838c9eb38/html5/thumbnails/12.jpg)
![Page 13: Thermal energy. Temperature is a measure of… The total amount of energy in an object The total amount of thermal energy in an object How much heat something](https://reader036.vdocuments.mx/reader036/viewer/2022070415/5697bfb71a28abf838c9eb38/html5/thumbnails/13.jpg)
Name Water Freezes Room Temperature
Water Boils Absolute Zero
Fahrenheit32 70 212 -459
Celsiusq 21 100 -273
Kelvin 273 274 273 0
![Page 14: Thermal energy. Temperature is a measure of… The total amount of energy in an object The total amount of thermal energy in an object How much heat something](https://reader036.vdocuments.mx/reader036/viewer/2022070415/5697bfb71a28abf838c9eb38/html5/thumbnails/14.jpg)
Temperature Converter
• http://www.onlineconversion.com/temperature.htm
![Page 15: Thermal energy. Temperature is a measure of… The total amount of energy in an object The total amount of thermal energy in an object How much heat something](https://reader036.vdocuments.mx/reader036/viewer/2022070415/5697bfb71a28abf838c9eb38/html5/thumbnails/15.jpg)
• Since there is a minimum kinetic energy for particles(0 J), there is a lowest possible temperature-absolute zero.
![Page 16: Thermal energy. Temperature is a measure of… The total amount of energy in an object The total amount of thermal energy in an object How much heat something](https://reader036.vdocuments.mx/reader036/viewer/2022070415/5697bfb71a28abf838c9eb38/html5/thumbnails/16.jpg)
Temperature and heat
• When you add heat energy to an object its temperature may or may not increase.
• Since heat is energy it can be measured in joules.
![Page 17: Thermal energy. Temperature is a measure of… The total amount of energy in an object The total amount of thermal energy in an object How much heat something](https://reader036.vdocuments.mx/reader036/viewer/2022070415/5697bfb71a28abf838c9eb38/html5/thumbnails/17.jpg)
• 1 calorie is the amount of heat needed to raise the temperature of water by one degree.
• The amount of heat energy required to raise the temperature of a substance by 1o C is called specific heat capacity or specific heat.
![Page 18: Thermal energy. Temperature is a measure of… The total amount of energy in an object The total amount of thermal energy in an object How much heat something](https://reader036.vdocuments.mx/reader036/viewer/2022070415/5697bfb71a28abf838c9eb38/html5/thumbnails/18.jpg)
Calculating Heat energy
• H=mcΔt• Where• H = heat energy added or removed• .m=mass• C = specific heat• Δt = change in temperature
![Page 19: Thermal energy. Temperature is a measure of… The total amount of energy in an object The total amount of thermal energy in an object How much heat something](https://reader036.vdocuments.mx/reader036/viewer/2022070415/5697bfb71a28abf838c9eb38/html5/thumbnails/19.jpg)
Ways of using heat
• Forced air system-
![Page 20: Thermal energy. Temperature is a measure of… The total amount of energy in an object The total amount of thermal energy in an object How much heat something](https://reader036.vdocuments.mx/reader036/viewer/2022070415/5697bfb71a28abf838c9eb38/html5/thumbnails/20.jpg)
Force heat
![Page 21: Thermal energy. Temperature is a measure of… The total amount of energy in an object The total amount of thermal energy in an object How much heat something](https://reader036.vdocuments.mx/reader036/viewer/2022070415/5697bfb71a28abf838c9eb38/html5/thumbnails/21.jpg)
Two pipe system
![Page 23: Thermal energy. Temperature is a measure of… The total amount of energy in an object The total amount of thermal energy in an object How much heat something](https://reader036.vdocuments.mx/reader036/viewer/2022070415/5697bfb71a28abf838c9eb38/html5/thumbnails/23.jpg)
Solar heating
• There is a passive solar heat-receive sunlight during day and are stored.
• Active solar heating-receives solar energy from panels on south side
![Page 24: Thermal energy. Temperature is a measure of… The total amount of energy in an object The total amount of thermal energy in an object How much heat something](https://reader036.vdocuments.mx/reader036/viewer/2022070415/5697bfb71a28abf838c9eb38/html5/thumbnails/24.jpg)
Thermodynamics
• First law of thermodynamics-
• Second law of thermodynamics
![Page 25: Thermal energy. Temperature is a measure of… The total amount of energy in an object The total amount of thermal energy in an object How much heat something](https://reader036.vdocuments.mx/reader036/viewer/2022070415/5697bfb71a28abf838c9eb38/html5/thumbnails/25.jpg)