Learning objective
Knowledge:
- To explain how insulating materials can be used to muffle sound.
Working scientifically:
- To identify when results or observations do not match predictions.
Success criteria
Knowledge:
- I can explain why some jobs require ear
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National curriculum
Science
Sound
Pupils should be
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Cross-curricular links
British values
- Mutual respect.
See
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Before the lesson
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Lesson plan
Recap and recall
Arrange the class into groups of five and provide each group with a whiteboard, pen and the Resource: Knowledge organiser: Science – Sound and Vibrations.
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Adaptive teaching
Pupils needing extra support
Could write the ‘easy’ question for the recap and recall activity; could use the Knowledge organiser to help them make their predictions.
Pupils working at greater depth
Could write the ‘impossible’ question for the recap and recall activity; should draw a table for recording the results of their investigation; should design ear protectors using the results from the experiment to help them choose materials and consider what other properties the ear protectors need (e.g. light, durable); could choose an extension activity relating to sound insulation from the Resource: Stretch and challenge: Sound and vibrations.
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Assessing progress and understanding
Pupils with secure understanding indicated by: explaining why some jobs require ear protection;
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Knowledge outcomes
- I can explain that jobs exposing people to loud sounds require ear protection.
- I can describe how insulating materials protect the ears from damage by muffling loud sounds.
- I can list some examples of materials that are good insulators of sound (including foam, polystyrene and towelling.)
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Vocabulary definitions
-
ear protectors
Safety devices worn to reduce exposure to loud noises and prevent hearing damage.
-
insulator of sound
A material that does not let sound pass through quickly.
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In this unit
Maintained by: Kapow Primary team
Last update: 4th December, 2024
