Research digest: The key idea is that students learn mechanics better when they coordinate diagrams, graphs, equations, and verbal explanations. It is directly applicable to revision lessons where students may know formulas but not representations.
Classroom use: Give one motion situation and ask students to produce a diagram, graph, equation, and explanation. Then compare the information each representation makes visible.
Paper: arXiv:1207.0217
Authors: Darren Wong, Peng Poo Sng, Eng Hock Ng, Loo Kang Wee
Publication: Physics Education 2011
Theme: Multiple representations in mechanics revision
What teachers can take from this
The key idea is that students learn mechanics better when they coordinate diagrams, graphs, equations, and verbal explanations. It is directly applicable to revision lessons where students may know formulas but not representations.
Use it tomorrow
Give one motion situation and ask students to produce a diagram, graph, equation, and explanation. Then compare the information each representation makes visible.
Pedagogical move
Ask students to translate between representations, because that is where hidden misconceptions usually surface.
Good discussion prompts
- What evidence does the model, video, or activity make visible?
- Which variable should students change first, and what should they keep constant?
- What claim can students make from the evidence, and what limitation should they acknowledge?