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The material covers specific heat capacity, core heat-transfer methods (conduction, radiation, convection), and how phase changes occur without a temperature change. 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CAIUS SANCHEZ\nHEAT AND TEMPERATURE\nUnderstanding how heat flows and temperature changes\nWHAT YOU’LL LEARN TODAY\nHeat and Temperature\nSpecific Heat Capacity\nMethods of Heat Transfer\nPhase Change\nSpecific Latent Heat\nTWO TRUTHS AND A LIE\nRead each statement carefully and guess which one is a lie\nHEAT ALWAYS MOVES FROM COLD TO HOT.\nBOILING WATER HAS A HIGHER TEMPERATURE THAN WARM BATHWATER.\nMETAL CONDUCTS HEAT FASTER THAN WOOD.\nWHAT IS TEMPERATURE?\nTells how hot or cold something is\nRefers to the average kinetic energy of moving particles in a substance\nMeasured in Celsius (°C), Fahrenheit (°F), or Kelvin (K)\nWHAT IS HEAT?\nMeasures the thermal energy contained in an object\nMoves from a hotter object to\na colder one\nUses the unit joules (J)\nIt is the energy required to raise one kilogram of a material by one degree Celsius (°C).\nSPECIFIC HEAT CAPACITY\nHeat (J)\nmass (kg)\nspecific heat (J/kg°C)\nchange in temperature (°C)\nWAYS OF HEAT TRANSFER\nCONDUCTION\nRADIATION\nCONVECTION\nHappens through direct contact\nOccurs mostly in solids\nTransfers heat through electromagnetic waves\nExample: how the Sun warms Earth\nInvolves the movement of liquids and gases\nTransfers heat through currents\nTHINK ABOUT IT:\nTHE VACUUM FLASK\nA vacuum flask keeps hot drinks hot and cold drinks cold. It usually has:\nA vacuum between two glass walls\nA silvered surface\nA tight cap\nHow do these features stop heat from escaping through conduction, convection, and radiation?\nWHAT HAPPENS DURING A PHASE CHANGE?\nCHANGE OF PHASE\nWhen substances are heated or cooled, they can change from one state to another. During a phase change, temperature stays the same.\nEXAMPLES OF PHASE CHANGE\nMELTING\nBOILING\nSolid turns into liquid\nLiquid turns into gas\nIt is the energy needed to change the phase of 1 kg of a substance without changing its temperature.\nSPECIFIC LATENT HEAT\nHeat (J)\nmass (kg)\nlatent heat of vaporization or fusion (J/kg)\nLET’S RECAP\nTemperature shows how hot or cold something is.\nSpecific heat capacity is the energy needed to raise the temperature of 1 kg of a material by 1°C.\nHeat flows from a hotter object to a colder one.\nHeat flows from a hotter object to a colder one.\nPhase changes happen without a change in temperature.\nSpecific latent heat is the energy needed to change the phase of 1 kg of a substance, without changing its temperature.\nUse these in your presentation. Delete or hide this page before presenting.\nResource Page\nFonts\nDesign Elements / Icons\nColors\nThis presentation template\nuses the following free fonts:\nYou can find these fonts online too.\nMukta\nMukta\nTITLES:\nBODY TEXT:\n#E16435\n#E4511A\n#220D00\n#E6E6E6\n#DFCCC4\nfor this presentation template\nfor the photos, graphics, and elements\nPexels, Pixabay, Sketchify\nThis presentation template is free for everyone to use, thanks to the following:\nCredits","cbCaivYlaZX1m8Hj","https://ap.wps.com/l/cbCaivYlaZX1m8Hj","pptx",5424788,"English","# Heat and Temperature\n## What You'll Learn Today\n## Two Truths and a Lie\n## What Is Temperature?\n## What Is Heat?\n## Specific Heat Capacity\n## Ways of Heat Transfer\n## Think About It: The Vacuum Flask\n## What Happens During a Phase Change?\n## Specific Latent Heat\n## Let’s Recap","[{\"question\":\"How do temperature and heat differ in this lesson?\",\"answer\":\"Temperature tells how hot or cold something is and relates to the average kinetic energy of particles. Heat is the thermal energy contained in an object and flows from a hotter object to a colder one.\"},{\"question\":\"What are the three main ways heat transfers?\",\"answer\":\"Heat transfers by conduction (direct contact, mostly solids), radiation (electromagnetic waves), and convection (movement of liquids and gases through currents).\"},{\"question\":\"What happens to temperature during a phase change?\",\"answer\":\"During a phase change, temperature stays the same even though the substance changes state, such as melting or boiling.\"}]","GRADE 8 - SCIENCE - HEAT AND TEMPERATURE - Understanding How Heat Flows and Temperature Changes | PPTX",1789366714]