| 1. [d] Data (often in a table of results) [6] |
|---|
| +5 | drop times including 0, 100-300, 400, 500 |
| +1 | squared times |
| 2. [t] Data tables format (both tables) |
|---|
| 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 |
| 3. [g] Data display: Quadratic graph |
|---|
| 3 | Correct xy scatter 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 |
| 4. [g] Data display: Linear graph |
|---|
| 3 | Correct xy scatter graph type, correct axis labels, time squared on the x-axis |
| 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 |
|---|
| +1 | slope calculation made for linear graph |
| +1 | calculation of a value for the acceleration of gravity g |
| +1 | percentage difference from 980 cm/s² (percent error) |