Science Literacy 2006 school release materials - NAP

Question Score Response: answers/examples/informationGRAVITY EFFECTS – Experiment 2: Checking the effect of changingthe length of the stringQ4 1 Provides a response consistent with the results recorded inTable 2.Q5 1 Indicates need for fair comparison.Examples of correct answers (score 1):• wouldn’t be right• wouldn’t be correct with different bob-clips• wouldn’t know if it was the length of string or the mass• the different results would be due only to the differencein the length of string• then they are measuring the string and not the mass• the weight of the two strings would be the same and theweight would therefore not matterExamples of incorrect answers (score 0):• better results• we were told to• so we get an accurate reading every time• because we already found out the different weights don’tchange the number of swingsQ6 1 Multiple-choice response A: the number of swings.Q7 1 Draws a line graph. Draws the line from the origin OR fromthe first pair of values. All five points must be correct (ornearly correct).Examples of correct answers (score 1):Examples of incorrect answers (score 0):• draws a bar (column) graph38