043 Laboratory four marking rubric

1. [s] Sketch or drawing diagramming marbles in = marbles out, speed in = speed out
3Sketch, or drawing that is clear and informative with correct labels fully appropriate to laboratory, original, explanatory, captions as appropriate
2Sketch is clear and complete, only a minor issues such as a mislabel, unoriginal, or lack of a necessary caption
1Sketch is confusing, unclear, not well done
2. [d] Data: table seven
+1tiny duck data
+1duck data
+1taw data
+1massless duck
3. [t] Data tables format (table one and two)
3Clear, concise, well thought out, informative, labels and units in the head
2Missing borders or other minor format inconsistencies, or missing one element in the head such as units
1Incomplete, runs off edges of page, lacks minimal margins, or missing two or more elements such as borders and units
4. [g] Data display: Graph
3Correct graph type, correct axis labels
2Missing a label or other element, or reversed x and y axes on an xy scattergraph
1wrong graph type(s), or plotting the wrong data, or wrong result on graph, or otherwise incorrect
5. [a] Data analysis [3]
+1Slope (no units)
+1Intercept (has units!)
+1Percent error of experimental slope from theoretically predicted slope value of 1.00

The following are also marked. Refer to the generic rubric for details.

4. [c] Conclusions – Content
In addition to generic rubric guidelines, the conclusion should also include a discussion of whether momentum was basically conserved and what factors might have contributed to small losses of momentum that are often seen in this laboratory.
5. [f] Format
[G] Grammar and Syntax [-2 if conclusion too short to judge grammar properly]
[V] Vocabulary [-2 if conclusion too short - taken as evidence of vocabulary limitations]
[O] Organization
[C] Cohesion [0 if conclusion too short to judge cohesion]