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