8I

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 * Unit 8I: Heat transfer 3 weeks **
 * ** Topic 1: Keep your cool ** ||
 * Learning objectives || Learning strategies – p 235 || Resources ||
 * * Recall the units for measuring temperature and heat energy.
 * Work out which way heat energy will be transferred between a hot and a cold object.
 * Explain the difference between temperature and heat energy.
 * List the three things that the amount of heat energy stored in an object depends on. || * Starter: common temperatures – worksheet 8Ia (2)
 * Heat transfer concept map
 * Practical: measuring temperatures
 * Practical: comparing heat energy and temperature
 * Book p 120-121: read and answer all questions
 * HW: worksheet || * Exploring Science Year 8 text
 * Worksheet 8Ia (2)
 * Equipment and materials for measuring temperatures
 * Equipment, materials and worksheet 8Ia (4) for comparing heat energy and temperature
 * Quick check 8Ia
 * 789science wikispace
 * Other worksheets: see below ||
 * Connections:
 * IGCSE physics section || Assessment:
 * Plenary: Quick check || Support/extension:
 * Access: worksheet 8Ia (1)
 * Must: worksheet 8Ia (5)
 * Other: 8Ia (6) (most) or (7) and (8) (some) ||


 * ** Topic 2: Heating solids ** ||
 * Learning objectives || Learning strategies – p 239 || Resources ||
 * * List some examples of heat conductors and insulators.
 * Explain conduction using the particle model.
 * Explain why some materials are better conductors than others.
 * Explain why solids expand when they are heated. || * Starter: brainstorm conductors and insulators
 * Practical: touching materials
 * Practical: how fast does metal conduct heat?
 * Revision of particle theory – card sort
 * Reinforcing ideas about conduction – AT video and AB spreadsheet or echalk animation
 * Book p 122-123: read and answer all questions
 * Plenary: Practical: wood and metal
 * Plenary: practical: bimetallic strip
 * HW: worksheets || * Equipment and materials for touching materials, how fast does a metal conduct heat, metallic strip and and wood and metal
 * Exploring Science Year 8 text
 * Prep: Worksheets 8Ib (4) for card sort
 * 789science wikispace
 * www.echalk.co.uk
 * Other worksheets: see below ||
 * Connections:
 * IGCSE physics section || Assessment:
 * Plenary: Cloze || Support/extension:
 * Access: worksheet 8Ib (1)
 * Must: worksheet 8Ib (5)
 * Other: 8IB (6) and (7) (most) or (8) (some) ||


 * ** Topic 3: Heating fluids ** ||
 * Learning objectives || Learning strategies – p 243 || Resources ||
 * * Recall which substances heat can travel through by convection.
 * Describe what happens to the particles in a fluid when it is heated.
 * Describe how a convection current forms when part of a fluid is heated. || * Starter: particle theory revision – AT animation or echalk
 * Practical: convection in water
 * Practical: hot and cold: demonstration
 * Book p124-125: read and answer all questions
 * Using convection currents – AB electronic worksheet
 * HW: worksheets || * Exploring Science Year 8 text
 * Equipment and materials for convection in water and hot and cold demonstration
 * Quick check 8Ic
 * Prep: worksheets 8Ic (5) or (6)
 * 789science wikispace
 * www.echalk.co.uk
 * Other worksheets: see below ||
 * Connections:
 * IGCSE physics section || Assessment:
 * Plenary: Quick check || Support/extension:
 * Access: worksheet 8Ic (1)
 * Must: worksheet 8Ic (4)
 * Other: 8Aa (5) (most) or (6) (some) ||


 * ** Topic 4: Changing state ** ||
 * Learning objectives || Learning strategies – p 247 || Resources ||
 * * Recall the meanings of ‘melting’,‘boiling’,‘condensing’,‘freezing’ and‘evaporating’.
 * Describe what happens to the temperature of a liquid while it is boiling.
 * Describe what happens to the temperature while a liquid freezes.
 * Explain the shape of a graph of temperature against time for a substance being heated or cooled. || * Starter: practical: cooling by evaporation
 * Practical: handwarmer – demonstration
 * Practical: cooling curve
 * Book p 126-127: read and answer all questions
 * Changes of state and clothing – AT video and worksheet 8Id (8)
 * Heating curves – AB spreadsheet
 * Plenary: Quick check
 * HW: worksheets || * Equipment and material for cooling by evaporation and handwarmer
 * Equipment, materials and worksheet 8Id (3) for cooling curve
 * Exploring Science Year 8 text
 * Worksheets 8Id (8)
 * AB spreadsheet
 * AT
 * Quick check 8Id
 * 789science wikispace
 * Other worksheets: see below ||
 * Connections:
 * IGCSE physics section || Assessment:
 * Plenary || Support/extension:
 * Access: worksheet 8Id (1)
 * Must: worksheet 8Id (6)
 * Other: 8Id (6) and (7) (most) or (8) (some) ||


 * ** Topic 5: Radiation ** ||
 * Learning objectives || Learning strategies – p 251 || Resources ||
 * * Describe how heat travels from the Sun to the Earth.
 * List some materials that infrared radiation can travel through.
 * Describe some similarities between infrared radiation and light.
 * Describe the kinds of materials that reflect infrared radiation well. || * Starter: practical: light and infrared radiation
 * Practical: shiny suits – Design assessed investigation
 * Book p 128-129: read and answer all questions
 * Vacuum flasks – AB documents
 * Book p 132: read and answer all questions
 * Plenary: quick quiz revisited
 * HW: revise for test || * Exploring Science Year 8 text
 * Equipment and materials for shiny suit investigation which one of the 2 designated investigations
 * AB documents
 * 789science wikispace
 * Other worksheets: see below ||
 * Connections:
 * IGCSE biology section || Assessment:
 * End of unit test || Support/extension:
 * Access: worksheet 8Ie (1)
 * Must: worksheet 8Ie (5)
 * Other: 8Ie (6) (most) or (7) (some) ||