Aim, Underlying chemistry and Experimental Approach Candidate A SQA www.understandingstandards.org.uk of 37
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Marks Grid Section Aim Max mark Mark awarded Comments An aim that describes clearly the purpose of the investigation. 2 Underlying chemistry An account of chemistry relevant to the aim of the investigation. 3 3 Data collection and handling (a) A brief description of the approach used to collect experimental data. A-type mark A-type mark SQA www.understandingstandards.org.uk 3 of 37
Candidate B SQA www.understandingstandards.org.uk 4 of 37
SQA www.understandingstandards.org.uk 5 of 37
Marks Grid Section Aim Max mark Mark awarded Comments An aim that describes clearly the purpose of the investigation. 2 Underlying chemistry An account of chemistry relevant to the aim of the investigation. 3 3 Data collection and handling (a) A brief description of the approach used to collect experimental data. A-type mark A-type mark SQA www.understandingstandards.org.uk 6 of 37
Candidate C Brief method of experiment: A burette is filled with the different type of alcohols and you time how long it takes for a ball bearing to pass through the alcohol. While doing the experiment don't pour the alcohol in the burette above eye height. Were goggles to protect eyes from any spills and slash backs. Keep alcohols away from flames because they are flammable. Expose of alcohols in a proper waste bin. SQA www.understandingstandards.org.uk 7 of 37
Marks Grid Section Aim Max mark Mark awarded Comments An aim that describes clearly the purpose of the investigation. 2 Underlying chemistry An account of chemistry relevant to the aim of the investigation. 3 A-type mark 3 Data collection and handling (a) A brief description of the approach used to collect experimental data. A-type mark SQA www.understandingstandards.org.uk 8 of 37
Candidate D SQA www.understandingstandards.org.uk 9 of 37
SQA www.understandingstandards.org.uk 0 of 37
SQA www.understandingstandards.org.uk of 37
NB In the results section of the assignment, the concentrations of the sucrose solutions are stated as in terms of the mass of sucrose dissolved in 4% ethanol solution. SQA www.understandingstandards.org.uk 2 of 37
Marks Grid Section Aim Max mark Mark awarded Comments An aim that describes clearly the purpose of the investigation. 2 Underlying chemistry An account of chemistry relevant to the aim of the investigation. 3 3 Data collection and handling (a) A brief description of the approach used to collect experimental data. A-type mark A-type mark SQA www.understandingstandards.org.uk 3 of 37
Candidate E SQA www.understandingstandards.org.uk 4 of 37
SQA www.understandingstandards.org.uk 5 of 37
SQA www.understandingstandards.org.uk 6 of 37
Marks Grid Section Aim Max mark Mark awarded Comments An aim that describes clearly the purpose of the investigation. 2 Underlying chemistry An account of chemistry relevant to the aim of the investigation. 3 3 Data collection and handling (a) A brief description of the approach used to collect experimental data. A-type mark A-type mark SQA www.understandingstandards.org.uk 7 of 37
Data collection and handling and Graphical presentation Candidate A SQA www.understandingstandards.org.uk 8 of 37
SQA www.understandingstandards.org.uk 9 of 37
SQA www.understandingstandards.org.uk 20 of 37
Marks Grid Section 3 Data collection and handling Max mark Mark awarded Comments (b) Sufficient raw data from the candidate s experiment. (c) Data presented in correctly produced table(s) and correct units shown for calculated values. (d) Values calculated correctly using a chemical relationship. 4 Graphical presentation (a) An appropriate format from the options of scatter graph, line graph or bar graph. (b) The axis/axes of the graph has/have suitable scale(s). (c) The axes of the graph have suitable labels and units. (d) Accurately plotted data points and, where appropriate, a line of best fit. A-type mark SQA www.understandingstandards.org.uk 2 of 37
Candidate B SQA www.understandingstandards.org.uk 22 of 37
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Marks Grid Section 3 Data collection and handling Max mark Mark awarded Comments (b) Sufficient raw data from the candidate s experiment. (c) Data presented in a correctly produced table(s) and correct units shown for calculated values. (d) Values calculated correctly using a chemical relationship. 4 Graphical presentation (a) An appropriate format from the options of scatter graph, line graph or bar graph. (b) The axis/axes of the graph has/have suitable scale(s). (c) The axes of the graph have suitable labels and units. (d) Accurately plotted data points and, where appropriate, a line of best fit. A-type mark SQA www.understandingstandards.org.uk 26 of 37
Candidate C SQA www.understandingstandards.org.uk 27 of 37
SQA www.understandingstandards.org.uk 28 of 37
Marks Grid Section 3 Data collection and handling Max mark Mark awarded Comments (b) Sufficient raw data from the candidate s experiment. (c) Data presented in correctly produced table(s) and correct units shown for calculated values. (d) Values calculated correctly using a chemical relationship. 4 Graphical presentation (a) An appropriate format from the options of scatter graph, line graph or bar graph. (b) The axis/axes of the graph has/have suitable scale(s). (c) The axes of the graph have suitable labels and units. (d) Accurately plotted data points and, where appropriate, a line of best fit. A-type mark SQA www.understandingstandards.org.uk 29 of 37
Candidate D SQA www.understandingstandards.org.uk 30 of 37
SQA www.understandingstandards.org.uk 3 of 37
Marks Grid Section 3 Data collection and handling Max mark Mark awarded Comments (b) Sufficient raw data from the candidate s experiment. (c) Data presented in correctly produced table(s) and correct units shown for calculated values. (d) Values calculated correctly using a chemical relationship. 4 Graphical presentation (a) An appropriate format from the options of scatter graph, line graph or bar graph. (b) The axis/axes of the graph has/have suitable scale(s). (c) The axes of the graph have suitable labels and units. (d) Accurately plotted data points and, where appropriate, a line of best fit. A-type mark SQA www.understandingstandards.org.uk 32 of 37
Candidate E SQA www.understandingstandards.org.uk 33 of 37
SQA www.understandingstandards.org.uk 34 of 37
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Marks Grid Section 3 Data collection and handling Max mark Mark awarded Comments (b) Sufficient raw data from the candidate s experiment. (c) Data presented in correctly produced table(s) and correct units shown for calculated values. (d) Values calculated correctly using a chemical relationship. 4 Graphical presentation (a) An appropriate format from the options of scatter graph, line graph or bar graph. (b) The axis/axes of the graph has/have suitable scale(s). (c) The axes of the graph have suitable labels and units. (d) Accurately plotted data points and, where appropriate, a line of best fit. A-type mark SQA www.understandingstandards.org.uk 37 of 37