8L

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 * Unit 8L: Sound and hearing 3 weeks **
 * ** Topic 1: Animal sounds ** ||
 * Learning objectives || Learning strategies – p 315 || Resources ||
 * * Describe what causes sound.
 * Explain what intensity means when related to sounds.
 * Explain what pitch means when related to sounds.
 * Explain what is meant by cycles per second. || * Starter: sound concept map
 * Book p 161: read and answer all questions
 * Book p 162-163: read and answer all questions
 * Practical: making different sounds
 * Plenary: Sound production – AT animation
 * HW: worksheets || * Exploring Science Year 8 text
 * Equipment for making different sounds
 * AT
 * Quick check 8La
 * 789science wikispace
 * Other worksheets: see below ||
 * Connections:
 * IGCSE physics section || Assessment:
 * Plenary: Quick check || Support/extension:
 * Access: worksheet 8La (1)
 * Must: worksheet 8La (6)
 * Other: 8La (7) (most) or (8) (some) ||


 * ** Topic 2: Music to your ears ** ||
 * Learning objectives || Learning strategies – p 319 || Resources ||
 * * Recall the apparatus needed to detect and display sounds.
 * Describe what frequency means when related to sounds.
 * Describe the relationship between amplitude and loudness.
 * Use diagrams to describe sound waves.
 * Exploring Science Year 8 text
 * Equipment for Ruben’s tube and oscilloscope and oscilloscope in action
 * Quick check 8Lb
 * 789science wikispace
 * Other worksheets: see below || * Starter: sound true or false – see statements p 320
 * Book p 164-165: read and answer all questions
 * Practical: Ruben’s tube and oscilloscope – demonstration
 * Practical: oscilloscopes in action
 * HW: worksheets || * Exploring Science Year 8 text
 * Equipment for Ruben’s tube and oscilloscope and oscilloscope in action
 * Quick check 8Lb
 * 789science wikispace
 * Other worksheets: see below ||
 * Connections:
 * IGCSE physics section || Assessment:
 * Plenary: Quick check || Support/extension:
 * Access: worksheet 8Lb (1)
 * Must: worksheet 8Lb (5)
 * Other: 8Lb (6) and (7) (most) or (8) (some) ||


 * ** Topic 3: Sound versus light ** ||
 * Learning objectives || Learning strategies – p 323 || Resources ||
 * * Listthedifferencesbetweenlightandsoundwaves.
 * Explainwhysoundtravelsatdifferentspeedsindifferentmaterials.
 * Describewhysoundcannottravelthroughemptyspace.
 * Explainwhathappenstoenergywhensoundandlightwavestravel fromoneplacetoanother.
 * Starter: light or sound - discussion
 * Book p 166-167: read and all questions
 * Practical: Newton’s cradle – demonstration
 * Practical: Bell jar and alarm - demonstration
 * Practical: travelling sound
 * HW: worksheet ||  ||   ||
 * Connections:
 * IGCSE physics section || Assessment:
 * Plenary: Quick check || Support/extension:
 * Access: worksheet 8Lc (1)
 * Must: worksheet 8Lc (4)
 * Other: 8Lc (6) (most)or (7) (some) ||


 * ** Topic 4: ‘Ear’ ear ** ||
 * Learning objectives || Learning strategies – p 326 || Resources ||
 * * Describe the energy change that happens in the ear.
 * Explain what the different parts of the ear do.
 * Recall some examples of temporary and permanent hearing damage.
 * Recall some differences between human hearing and the hearing of animals || * Starter: quick fire questions on hearing
 * Book p 168-169: read and answer all questions
 * Hearing ranges: whole class activity with signal generator
 * Ear diagram – AT video and worksheet 8Ld (4)
 * Plenary: Connectives
 * HWK: worksheets || * Exploring Science Year 8 text
 * Signal generator
 * AT
 * Worksheets 8Ld (4)
 * Power point slide for connectives
 * 789science wikispace
 * Other worksheets: see below ||
 * Connections:
 * IGCSE physics section || Assessment:
 * Plenary: Connectives – use power point slide – see p 328 || Support/extension:
 * Access: worksheet 8Ld(1)
 * Must: worksheet 8Ld (5)
 * Other: 8Ld (6) (most) or (7) (some) ||


 * ** Topic 5: Uses and abuses ** ||
 * Learning objectives || Learning strategies – p 329 || Resources ||
 * * Explain what happens when sound waves are reflected.
 * Recall the equipment used to measure the loudness of sounds.
 * Explain what the term ‘threshold of hearing’ means.
 * Explain how sound proofing works. || * Starter: Thinking about noise – power point slides in AB
 * Book p 172-173: read and answer all questions
 * Practical: soundproof design
 * Book p 174: read and answer all questions
 * HWK: revise for test || * Exploring Science Year 8 text
 * Equipment for soundproof design
 * Quick check 8Le
 * 789science wikispace
 * Other worksheets: see below ||
 * Connections:
 * IGCSE physics section || Assessment:
 * End of unit test || Support/extension:
 * Access: worksheet 8Le (1)
 * Must: worksheet 8Le (7)
 * Other: 8Le (8) (most) or (6) and (9) (some) ||