1) What do you need to do to make sure your experiment is safe? a) Decide on variables b) Make a prediction c) Complete a risk assessment d) Draw a table 2) What is the independent variable? a) The variable you measure b) The variable you keep the same c) The variable you change d) The variable that changes by itself 3) What is the dependant variable? a) The variable you keep the same b) The variable that changes itself c) The variable that you measure d) The variable that you change 4) How do you make your results reliable? a) Change the variables b) Measure the temperature c) Read the plan d) Do repeats and calculate an average 5) What is wrong with these results? a) They contain no units b) They have no lines c) Easy to understand d) They are poorly organised 6) Why is this a good results table? a) Easy to read-labels, units, clearly organised b) It looks nice c) It has lines d) It is big 7) What is wrong with this graph? a) It is in pen b) No labels, incorrect scale and no title c) The points are plotted incorrectly d) It is very messy 8) What is wrong with this graph? a) It doesn't look nice b) The line of best fit is incorrect c) It is drawn in pencil d) The axis are the wrong way round 9) Why is this graph correct? a) It looks nice b) Correct labels, scale, title and units c) It is drawn in pencil d) It is on graph paper 10) What does this graph show? a) I don't know b) As you increase the length of the string the numder of swings in 10 secs decreases c) Nothing d) As you increase the length of the string the number of swings in 10 secs increases 11) What is an anomalous result? a) A results that fits the pattern b) A results that doesn't fit the pattern c) Aresult that is the odd one out d) A result that is hard to say 12) What do you do with a anomalous result? a) Repeat that test b) Repeat the whole experiment c) Nothing d) Write out the plan again 13) How do you calculate the average? a) Add all the numbers b) Multiply all the numbers c) Add all the numbers together and multiply by the amount of numbers d) Add all the numers together and divide by the amount of numbers 14) What does your conclusion include? a) How to improve your results b) A graph c) A table with averages d) Describing and explaining your results

Lab skills: Graphs and tables

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