iRubric: Refraction rubric

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Refraction Electricity Refraction laws and Total Internal refraction Rubric Code: FX86322 By Deepakkapoor081 Ready to use Public Rubric Subject: Physics Type: Assignment Grade Levels: 9-12

Criteria 100 %
	3 50 pts	2 75 pts	1 100 pts	Next Step 10 pts
Question # 1 and 2 20 % Recall	3 OnewWrong examples and one right example of slow and fast medium, incomplete sentences. One of the three laws right and two wrong.	2 Right examples but incomplete sentences, all the three laws are right.	1 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,	3 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	2 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	1 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 # 9 onward 50 % Identification of critical angle, rules for total internal refraction and explanations of the remaining questions in the sheet with arguments	3 Wrong definition and identification of critical angle. Wrong layout of the rules for total internal reflection. Incomplete explanations with wrong arguments	2 Right definition and identification of critical angle. Right layout of the rules for total internal reflection. Incomplete explanations with wrong arguments	1 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.