My notes

• Condy
• Conection-Flord
• pradation surrounding
• diation-vactum
• Heat is a form of energy
• Heat can be transferred from one object to another or even created
• Forms of heat

  • Conduction
  • Convection
  • Radiation
• Conduction

  Heat transfer between two substances or objects that are in direct contact with each other
• Convection

  Heat transfer by the movement of fluids (such as gases or liquids)
• Heat will continue to transfer from a warmer substance to a colder substance until both substances are the same temperature
• Fluid in convection is typically air or liquid
• Heat is a form of energy that can be transferred from one object to another or even created at the expense of the loss of other forms of energy
• Heat transfer


  The movement of heat energy from one substance to another
• Objectives

  • Define heat transfer
  • Identify the three types of heat transfer
  • Describe each type of heat transfer
• Heat (energy) always moves from a warmer substance to a cooler substance
• Heat will continue to move until both substances are the same temperature
• The greater the difference in temperature between the substances, the faster the heat will transfer
• Forms of heat transfer

  • Radiation
  • Convection
  • Conduction
• Conduction


  Transfer of heat between substances or objects that are in direct contact with each other
• Molecules transfer energy to the molecules next to them in conduction
• Conduction is when a wave comes into contact with an object, the energy is transferred to the object in the form of heat
• Of the three methods of heat transfer, radiation is the only one that can travel through empty space
• There are also radiations that are difficult to feel compared to the sun
• Heat transfer


  Movement of heat energy from one substance to another
• Methods of heat transfer

  • Conduction
  • Radiation
  • Convection
• Radiation


  Transfer of energy along electromagnetic waves
• Convection

  Transfer of heat by the movement of fluid (liquids and gases)
• Radiation is the only method of heat transfer that can travel through empty space
• There are radiation types that are difficult to feel compared to the sun due to lower differences in temperature between the source and the object
• Warm fluids rise, cool down, sink, and then are warmed again in convection
• Hot water is less dense than cold water and rises, causing convection currents which transport energy
• Conduction is used when ironing clothes
• Convection is used to boil soup
• Radiation is used in the context of what has been learned about heat transfer
• Heat transfer is the movement of heat energy from one substance to another
• There are three methods of heat transfer: conduction, radiation, and convection
• Conduction is the transfer of heat between substances or objects that are in direct contact with each other
• Convection is the transfer of heat by the movement of fluid (liquids and gases)
• Radiation is the transfer of energy along electromagnetic waves
• References: https://www.youtube.com/watch?v=zvQZtpZnRRE, https://www.youtube.com/watch?v=uLtWRK_Pd5c, https://www.youtube.com/watch?v=2wqtK3GNFdQ, https://www.wisc-online.com/learn/natural-science/earth-science/sce304/heat-transfer-conduction-convection-radiation?fbclid=IwAR22UEpbYHpE9_pVPFgZJR0lxjQJ4MH_P-WPV91P-8xd2MRscUMfYp9yvi8