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iRubric: Refraction rubric

iRubric: Refraction rubric

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Refraction

  Derived from rubric: Electricity
built by Deepakkapoor081

Rubric Code: FX86322
Refraction laws and Total Internal refraction
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Keywords: (None)
Categories: Subjects: Physics  
Types: Assignment  
Grade Levels: 9-12

Powered by iRubric Criteria
100 %
  Poor
50 pts
Fair
75 pts
Good
100 pts
Next Step
10 pts
Question # 1 and 2
20 % Recall
Poor

OnewWrong examples and one right example of slow and fast medium, incomplete sentences.
One of the three laws right and two wrong.
Fair

Right examples but incomplete sentences, all the three laws are right.
Good

Right examples with complete sentences, all the three laws of refraction are right.
Next Step

Students are able to identify all the three laws with the help of the refraction tank and could explain to their group using the refraction tank.
Question # 3 through 7
30 % Calculations, reading and recording of data, representation of the observation with a diagram,
Poor

Right reading and recording of data but with incomplete sentences.
Wrong angles shown in the diagram or the wrong direction of light.
Wrong calculations using the snell's law for question # 6
Fair

Right reading and recording of data and reporting with complete sentences.
Right angles shown in the diagram and the right direction of light.
Wrong calculations using the snell's law for question # 6
Good

Right reading and recording of data and reporting with complete sentences.
Right angles shown in the diagram and the right direction of light.
Right calculations using the snell's law for question # 6
Next Step

Students can identify that the refractive index calculated in question # 6 remains unchanged irrespective of the direction of the light entering and the angle.
Question # 8 through 14
50 % Identification of critical angle, rules for total internal refraction and explanations of the remaining questions in the sheet with arguments
Poor

Wrong definition and identification of critical angle.

Wrong layout of the rules for total internal reflection.

Incomplete explanations with wrong arguments
Fair

Right definition and identification of critical angle.

Right layout of the rules for total internal reflection.

Incomplete explanations with wrong arguments
Good

Right definition and identification of critical angle.

Right layout of the rules for total internal reflection.

complete and right explanations with right arguments.
Next Step

Students can connect the lesson learned with a real world application.



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