Learning objective
Knowledge
- To describe friction and its effects.
Working scientifically
- To evaluate a method.
Success criteria
Knowledge
- I can define the term friction.
- I can describe
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National curriculum
Science
Forces
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
1: Lesson plan
An area for you to put useful resources from the previous lesson
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Adaptive teaching
Pupils needing extra support
Should use the Resource: Knowledge organiser: Science – Forces and magnets from the unit Science, Year 3, Forces and magnets to help them with both the Recap and recall and the Attention grabber activities; could reduce the data collection to only five items; could be shown slide 2 of the Presentation: Model data and choose which variables from the list should have been controlled to help them answer the evaluation questions.
Pupils working at greater depth
Should consider the control variables before starting the experiment; could test the experiment out on a rougher floor (e.g. a playground or carpeted area); should choose a design challenge from the Resource: Friction design challenges and draw and label their design in their book.
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Assessing progress and understanding
Pupils with secure understanding indicated by: defining the term friction;
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Knowledge outcomes
- I can define friction as a force between two surfaces in contact that opposes motion.
- I can describe the effects of forces: starting and stopping an object moving and changing the speed, shape and direction of an object.
- I can predict the outcomes of balanced (stationary or steady movement) and unbalanced forces (changes to the motion of an object).
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Vocabulary definitions
-
balanced
When forces acting on an object are equal.
-
evaluate
To judge and form an opinion on something using positives and negatives.
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