Learning objectives
Knowledge
- To describe melting and freezing.
Working scientifically
- To use thermometers to take accurate measurements before and after melting.
Success criteria
Knowledge
- I can describe the conditions needed for melting
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National curriculum
Science
States of matter
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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
Display slide 1 of the Presentation: Properties of the states of matter, which shows some dry flour and some water.
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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
If you need further support with extending your display,
please contact [email protected].
Extended-mode explainer video: For Mac
Extended-mode explainer video: For Windows
Adaptive teaching
Pupils needing extra support
Could investigate melting using real ice cubes (easier to observe melting) and only hot and cold water, allowing for less data collection; could use the Knowledge organiser to help support writing a conclusion and answering the video questions.
Pupils working at greater depth
Should be provided with a list of materials (a hot water bottle, thermometer, foil cake cases, butter, chocolate, ice and an iron nail) to discuss and plan (on a whiteboard) how to compare the melting points of the different materials; could choose an extension activity relating to melting and freezing from the Resource: Stretch and challenge: States of matter.
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Assessing progress and understanding
Pupils with secure understanding indicated by: describing the conditions needed for melting
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Knowledge outcomes
- I can describe the conditions needed for melting (heating above the melting point of the material) and freezing (cooling below the freezing point of the material).
- I can describe the property changes as a material melts from having a fixed shape to flowing and taking the shape of its container.
- I can describe the property changes as a material freezes, from flowing and taking the shape of its container to having a fixed shape.
- I can name the start and end states when materials melt (solid to liquid).
- I can name the start and end states when materials freeze (liquid to solid).
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Vocabulary definitions
-
freezing
The process of a liquid changing into a solid.
-
freezing point
The temperature at which a material freezes.
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In this unit
Maintained by: Kapow Primary team
Last update: 7th October, 2024
