Learning objectives
Knowledge
- To describe condensing and evaporating.
Working scientifically
- To make predictions for new values about evaporation rates.
Success criteria
Knowledge
- I can describe the conditions needed for evaporating
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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 the Presentation: Changes of state, which shows a video of a snowman melting.
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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 be provided with additional data points from the answer table for the predicting evaporation rates activity; could use the Activity: Inventing an Atmospheric water generator (support) to help them draw their design; could use the Knowledge organiser to help support their understanding of the key concepts condensing and evaporating.
Pupils working at greater depth
Should explain how sweating helps cool us down (the liquid produced from sweating uses body heat to evaporate from our skin and turn into a gas, which reduces our body heat and makes us feel cooler); could choose an extension activity relating to evaporating and condensing 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 evaporating (heating above the boiling point of the material) and condensing (cooling below the condensing point of the material).
- I can describe the property changes as a material evaporates from having a fixed volume to not having a fixed volume.
- I can describe the property changes as a material condenses from not having a fixed volume to having a fixed volume.
- I can name the start and end states when materials evaporate (liquid to gas).
- I can name the start and end states when materials condense (gas to liquid).
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Vocabulary definitions
-
boiling point
The temperature at which a material evaporates.
-
condensation
Tiny, liquid water droplets on a surface.
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In this unit
Maintained by: Kapow Primary team
Last update: 11th September, 2024
