Learning objectives
Knowledge
- To determine the conductivity of different materials and link this to their uses.
Working scientifically
- To write a detailed, organised method that is easy to follow.
Success criteria
Knowledge
- I can define the terms thermal conductivity
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National curriculum
Science
Properties and changes
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Cross-curricular links
British values
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Before the lesson
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Lesson plan
Recap and recall
Watch the Pupil video: Investigating electrical conductors and insulators. Pause the video at 0.40 and engage the class in a discussion about each test material (they do not need to record their predictions in a results table).
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Extended-mode explainer videos
How to extend your display to view the lesson page and preseantion mode simultaneously. Choose your operating system below to watch the video
Adaptive teaching
Pupils needing extra support
Should use the Resource: Method word bank (support) to help them write their method, which provides three keywords for each step of the method; could use the activity Activity: Designing a spacesuit (support) during the Wrapping up.
Pupils working at greater depth
Should create an additional cup wrapped in multiple layers of different materials; could be challenged to select materials that, when combined, would offer the maximum possible insulation against heat loss; should analyse how the combination of materials affected the heat retention compared to the individual materials; should refine their designs based on the data and their observations; could choose an extension activity relating to conductivity from the Resource: Stretch and challenge: Properties and changes.
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Assessing progress and understanding
Pupils with secure understanding indicated by: defining the terms thermal
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Knowledge outcomes
- I can define the term electrical conductivity as a measure of how quickly and easily electrical charge passes through a material.
- I can define the term thermal conductivity as a measure of how quickly and easily heat passes through a material.
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Vocabulary definitions
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conductor
A material that lets heat and electrical charge pass through quickly and easily.
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electrical conductivity
A measure of how quickly and easily electrical charge passes through a material.
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