Analogy Uses a comparative system to Flow of water through pipes explain the workings of a new or compared to the fluid” “electric unknown system. flow of charges through wires. Students visualize unknown phenomena in a more familiar context. Physical Uses a physical object to represent a Computer simulations system. Long springs for wave phenomenon Students can physically manipulate the model to see relationships. Mathematical Use mathematical relationships of Position vs. time graphs variables in either graphical, Energy bar charts algebraic, or geometric forms. Mass-velocity bar graphs equations Students use arithmetic reasoning to describe interactions and changes in the systems Table 1
Analogy Uses a comparative system to explain the workings of a new or unknown system. Students visualize unknown phenomena in a more familiar context. Flow of water through pipes compared to the “electric fluid” flow of charges through wires. Physical Uses a physical object to represent a system. Students can physically manipulate the model to see relationships. Computer simulations Long springs for wave phenomenon Mathematical Use mathematical relationships of variables in either graphical, algebraic, or geometric forms. Students use arithmetic reasoning to describe interactions and changes in the systems Position vs. time graphs Energy bar charts Mass-velocity bar graphs equations Table 1
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