C ontrolled A ssessment U nit - CAU I nvestigative S kills A ssessment - ISA

Controlled Assessment Unit - CAUInvestigative Skills Assessment - ISA • ISA section 2 exam – Science A 7 Section 2 Exam: • Up to 50 minutes is allowed for this. • The test may be taken in the normal teaching room, provided that you can be accommodated in such a way as to prevent any copying or unauthorised collaboration. However the test will usually take place in the hall, dance studio or drama studio depending on their availability. • If you normally have a reader, extra time, scribe etc. for exams then you will have the same arrangements made for the ISA exam. • Section 1 of the ISA will contain questions concerning conclusions and evaluationand is worth 30 marks of the overall 50 allocated to the Controlled Assessment. • You may use your Candidate Research notes sheet, which you filled in during your research. • You will also be given a data sheet with 4 case studies. Section 2 Exam: There are normally 4 questions, some of these questions are made up of more than one part: • Analyse and evaluate your results • What were the variables in the investigation you did? • - e) These questions are on a variety of topics and may vary in number from ISA to ISA • Analyse and evaluate the data given in the case studies • Sketch graph • Explain whether or not the results on the Secondary data sheet support the given hypothesis • Analysis of Case Study 4 This is only a guide there may be more questions based on the case studies • How could the results from your investigation be useful in the context that you have researched? 3 marks • Submit the graph or bar chart you have drawn of your results 4 marks

Controlled Assessment Unit - CAUInvestigative Skills Assessment - ISA • ISA section 2 exam – Science A 7 Variables: • These are physical, chemical or biological quantities or characteristics • State, give, name, write down: • Only a short answer is required, not an explanation or a description. Often it can be answered with a single word, phrase or sentence. • If the question asks the you to state, give, or write down one (or two etc) examples, they should write down only the specified number of answers, or they may lose marks for any wrong examples given. You may be asked a question similar to this in the section 2 exam: • What were the variables in the investigation that you did? • The independent variable was • The dependent variable was • One control variable was 3 marks

Controlled Assessment Unit - CAUInvestigative Skills Assessment - ISA • ISA section 2 exam – Science A 7 An example of a good answer An example of a good answer

Controlled Assessment Unit - CAUInvestigative Skills Assessment - ISA • ISA section 2 exam – Science A 7 Resolution: • This is the smallest change in quantity being measured (input) of a measuring instrument that gives a perceptible change in the reading. Explain: • You should make something clear, or state the reasons for something happening. • The points in the answer must be linked coherently and logically. • The answer should not be a simple list of reasons. You may be asked a question similar to this in the section 2 exam: • Think about the way in which you took your measurements. • Resolution means the smallest scale division on the measuring instrument that you were using. • What was the resolution of your measurement for… • Do you think that this resolution was appropriate for this investigation? • Explain your answer 3 marks

Controlled Assessment Unit - CAUInvestigative Skills Assessment - ISA • ISA section 2 exam – Science A 7 An example of a good answer

Controlled Assessment Unit - CAUInvestigative Skills Assessment - ISA • ISA section 2 exam – Science A 7 Repeatable: • A measurement is repeatable if the original experimenter repeats the investigation using the same method and obtains the same results. Explain: • You should make something clear, or state the reasons for something happening. • The points in the answer must be linked coherently and logically. • The answer should not be a simple list of reasons. You may be asked a question similar to this in the section 2 exam: • Look at your results. • Did you repeat any of the results in your investigation? • Explain why you did or did not repeat any of your results. • You explanation should include examples from your results. 3 marks

Controlled Assessment Unit - CAUInvestigative Skills Assessment - ISA • ISA section 2 exam – Science A 7 Explain: • You should make something clear, or state the reasons for something happening. • The points in the answer must be linked coherently and logically. • The answer should not be a simple list of reasons. Range: • The maximum and minimum values of the independent or dependent variables; important in ensuring that any pattern is detected. You may be asked a question similar to this in the section 2 exam: • In your investigation you changed the concentration / mass of X. • What was the range of this variable? Give the units. • The range was from ……… to ……… • If you had been able to use another value of this variable, either within or outside this range what value would you have chosen? • Give a reason for your answer 3 marks

Controlled Assessment Unit - CAUInvestigative Skills Assessment - ISA • ISA section 2 exam – Science A 7 Hypothesis: • A proposal intended to explain certain facts or observations Explain: • You should make something clear, or state the reasons for something happening. • The points in the answer must be linked coherently and logically. • The answer should not be a simple list of reasons. You may be asked a question similar to this in the section 2 exam: • The hypothesis that you were given before you started the investigation was… • Do your results support this hypothesis? • Explain your answer. 3 marks

Controlled Assessment Unit - CAUInvestigative Skills Assessment - ISA • ISA section 2 exam – Science A 7 Reproducible: • A measurement is reproducible if the investigation is repeated by another person, or by using equipment or techniques, and the same results are obtained. Explain: • You should make something clear, or state the reasons for something happening. • The points in the answer must be linked coherently and logically. • The answer should not be a simple list of reasons. You may be asked a question similar to this in the section 2 exam: • You have been given a set of results obtained by other people. • Do these results other results show that this investigation is reproducible? • Explain your answer using examples from the results. 3 marks

Controlled Assessment Unit - CAUInvestigative Skills Assessment - ISA • ISA section 2 exam – Science A 7 An example of a good answer An example of a poor answer

Controlled Assessment Unit - CAUInvestigative Skills Assessment - ISA • ISA section 2 exam – Science A 7 Repeatable: • A measurement is repeatable if the original experimenter repeats the investigation using the same method and obtains the same results. Explain: • You should make something clear, or state the reasons for something happening. • The points in the answer must be linked coherently and logically. • The answer should not be a simple list of reasons. You may be asked a question similar to this in the section 2 exam: • If you were to repeat your experiment, would you make any changed to your method? • Explain why you would or would not make any changes, using examples from your results. 3 marks

Controlled Assessment Unit - CAUInvestigative Skills Assessment - ISA • ISA section 2 exam – Science A 7 Sketch graph: • A line graph, not necessarily on a grid, that shows the general shape of the relationship between two variables. It will not have any points plotted and although the axes should be labelled they may not be scaled. Explain: • You should make something clear, or state the reasons for something happening. • The points in the answer must be linked coherently and logically. • The answer should not be a simple list of reasons. You may be asked a question similar to this in the section 2 exam: • You have been given a Secondary Data Sheet that provides results from similar investigations. • Draw a sketch graph of the results in Case Study 1. 3 marks

Controlled Assessment Unit - CAUInvestigative Skills Assessment - ISA • ISA section 2 exam – Science A 7 An example of a good answer An example of a good answer

Controlled Assessment Unit - CAUInvestigative Skills Assessment - ISA • ISA section 2 exam – Science A 7 Data: • Information, either qualitative or quantitative, that has been collected. Explain • You should make something clear, or state the reasons for something happening. • The points in the answer must be linked coherently and logically. • The answer should not be a simple list of reasons. You may also be asked a question similar to this in the section 2 exam • Explain whether or not the results on the Secondary Data Sheet support the hypothesis you were given. • To gain full marks your explanation should include appropriate examples from the results in Case studies 1, 2 and 3. 3 marks You may also be asked a similar question on a Additional Science or Separate Science ISA

Controlled Assessment Unit - CAUInvestigative Skills Assessment - ISA • ISA section 2 exam – Science A 7 Relationship: • When one variable has an effect on another variable Explain; • You should make something clear, or state the reasons for something happening. • The points in the answer must be linked coherently and logically. • The answer should not be a simple list of reasons. You may also be asked a question similar to this in the section 2 exam • Use Case Study 4 to answer the question. • What is the relationship between X and Y? • Explain how well the information in Case Study 4 supports your answer. 3 marks The content of the question and mark scheme will vary depending on the ISA.

Controlled Assessment Unit - CAUInvestigative Skills Assessment - ISA • ISA section 2 exam – Science A 7 Valid conclusion: • A conclusion supported by valid data, obtained from an appropriate experimental design and based on sound reasoning. Explain; • You should make something clear, or state the reasons for something happening. • The points in the answer must be linked coherently and logically. • The answer should not be a simple list of reasons. You may also be asked a question similar to this in the section 2 exam • Look at Case Study 4. • A X who saw the results advised … • Do you agree with this advice? • Explain your answer. 3 marks The context of the question and mark scheme will vary depending on the ISA.

Controlled Assessment Unit - CAUInvestigative Skills Assessment - ISA • ISA section 2 exam – Science A 7 Hypothesis: • A proposal intended to explain certain facts or observations Explain: • You should make something clear, or state the reasons for something happening. • The points in the answer must be linked coherently and logically. • The answer should not be a simple list of reasons. You may be asked a question similar to this in the section 2 exam: • Look at Case Study 4. • To what extent do the results support the hypothesis you were given? 3 marks The context of the mark scheme will vary depending on the ISA.

ISA section 2 exam – Science A 7 Controlled Assessment Unit - CAUInvestigative Skills Assessment - ISA Context: • Your teacher will describe the context in which the investigation is set. Relating the investigation to the context • Your teacher will describe the context in which the investigation is set. • You must research this context and write down how the results of your investigation might be useful, e.g. health and safety developments, energy efficiency, in industry, etc. You may be asked a question similar to this in the section 2 exam: • How could the results from your investigation be useful in the context that you have researched? • You may use information from your Candidate Research Notes to help you to answer this question. 3 marks

ISA section 2 exam – Science A 7 Controlled Assessment Unit - CAUInvestigative Skills Assessment - ISA An example of a poor answer An example of a good answer

Controlled Assessment Unit - CAUInvestigative Skills Assessment - ISA • ISA section 2 exam – Science A 7 Producing a graph or bar chart: • You will be required to draw a graph or bar chart of your results • Title: • This should describe what your graph shows • Line of best fit: • This goes roughly through the middle of all the scatter points on a graph. The closer the points are to the line of best fit the stronger we can say the correlation is. • It can be a curve. Dependent variable (units) • Anomalous results: • Put a ring round any outliers to show you know they do not if the pattern. • Jagged line: • These indicate a broken scale. A broken scale is used when values close to 0 are not required. Independent variable (units)

Controlled Assessment Unit - CAUInvestigative Skills Assessment - ISA • ISA section 2 exam – Science A 7 All these graphs scored full marks

Controlled Assessment Unit - CAUInvestigative Skills Assessment - ISA • ISA section 2 exam – Additional / Separate Science 7 Section 2 Exam: • Up to 50 minutes is allowed for this. • The test may be taken in the normal teaching room, provided that you can be accommodated in such a way as to prevent any copying or unauthorised collaboration. However the test will usually take place in the hall, dance studio or drama studio depending on their availability. • If you normally have a reader, extra time, scribe etc. for exams then you will have the same arrangements made for the ISA exam. • Section 1 of the ISA will contain questions concerning conclusions and evaluationand is worth 30 marks of the overall 50 allocated to the Controlled Assessment. • You may use your Candidate Research notes sheet, which you filled in during your research. • You will also be given a data sheet with 4 case studies. Section 2 Exam: There are normally 4 questions, some of these questions are made up of more than one part: • Analyse and evaluate your results • Do your results support your hypothesis? • - e) These questions are on a variety of topics and may vary in number from ISA to ISA • Analyse and evaluate the data given in the case studies • Sketch graph • Explain whether or not the results on the Secondary data sheet support the given hypothesis • Analysis of Case Study 4 This is only a guide there may be more questions based on the case studies • How could the results from your investigation be useful in the context that you have researched? 3 marks • Submit the graph or bar chart you have drawn of your results 4 marks

Controlled Assessment Unit - CAUInvestigative Skills Assessment - ISA • ISA section 2 exam – Additional / Separate Science 7 Explain: • You should make something clear, or state the reasons for something happening. • The points in the answer must be linked coherently and logically. • The answer should not be a simple list of reasons. Hypothesis: • A proposal intended to explain certain facts or observations You may also be asked a question similar to this in the section 2 exam • Do your results support the hypothesis that you investigated? • You should use any pattern that you can see in you results to support your answer. • You should include examples from your results 3 marks

Controlled Assessment Unit - CAUInvestigative Skills Assessment - ISA • ISA section 2 exam – Additional / Separate Science 7 An example of a good answer

Controlled Assessment Unit - CAUInvestigative Skills Assessment - ISA • ISA section 2 exam – Additional / Separate Science 7 Anomalous: • A result that does not fit into a common, familiar, or expected type or pattern Explain: • You should make something clear, or state the reasons for something happening. • The points in the answer must be linked coherently and logically. • The answer should not be a simple list of reasons. You may be asked a question similar to this in the section 2 exam: • Did you get any anomalous results? • Explain your answer. • Your explanation should include examples from your results. 3 marks

Controlled Assessment Unit - CAUInvestigative Skills Assessment - ISA • ISA section 2 exam – Additional / Separate Science 7 Explain: • You should make something clear, or state the reasons for something happening. • The points in the answer must be linked coherently and logically. • The answer should not be a simple list of reasons. Reproducible: • A measurement is reproducible if the investigation is repeated by another person, or by using equipment or techniques, and the same results are obtained. You may be asked a question similar to this in the section 2 exam: • Reproducibility is important in experiments. • Do you think that your results are reproducible by other people? • Use examples from your results to explain the reason for your answer. 3 marks

Controlled Assessment Unit - CAUInvestigative Skills Assessment - ISA • ISA section 2 exam – Additional / Separate Science 7 Explain: • You should recall some facts, events or process in an accurate way - for example an experiment you have done. • You may need to give an account of what something looked like, or what happened, eg a trend in some data. Repeatable: • A measurement is repeatable if the original experimenter repeats the investigation using the same method and obtains the same results. Accuracy: • A measurement result is considered accurate if it is judged to be close to the true value. You may be asked a question similar to this in the section 2 exam: • Describe in detail how you could use repeated readings to obtain more accurate results. 3 marks

Controlled Assessment Unit - CAUInvestigative Skills Assessment - ISA • ISA section 2 exam – Science A 7 Range: • The maximum and minimum values of the independent or dependent variables; important in ensuring that any pattern is detected. Explain: • You should make something clear, or state the reasons for something happening. • The points in the answer must be linked coherently and logically. • The answer should not be a simple list of reasons. You may be asked a question similar to this in the section 2 exam: What was the independent variable in the investigation that you did? What was the range of the independent variable? The range was from ……… to ……… Explain why this was or was not a suitable range. 3 marks

Controlled Assessment Unit - CAUInvestigative Skills Assessment - ISA • ISA section 2 exam – Additional / Separate Science 7 An example of a poor answer

Controlled Assessment Unit - CAUInvestigative Skills Assessment - ISA • ISA section 2 exam – Additional / Separate Science 7 Resolution: • This is the smallest change in quantity being measured (input) of a measuring instrument that gives a perceptible change in the reading. Explain: • You should make something clear, or state the reasons for something happening. • The points in the answer must be linked coherently and logically. • The answer should not be a simple list of reasons. You may be asked a question similar to this in the section 2 exam: • Resolution refers to the smallest scale division of a measuring instrument. • What was the resolution of the device that you used to measure the timing of the reaction? • Do you think that this resolution was appropriate for this measurement? • Explain your answer. 3 marks

Controlled Assessment Unit - CAUInvestigative Skills Assessment - ISA • ISA section 2 exam – Additional / Separate Science 7 Uncertainty: • The interval within which the true value can be expected to lie, within a given level of confidence or probability. Explain: • You should make something clear, or state the reasons for something happening. • The points in the answer must be linked coherently and logically. • The answer should not be a simple list of reasons. You may be asked a question similar to this in the section 2 exam: Most investigations contain errors or uncertainties. What do you think was the cause of the largest error or uncertainty in your investigation? What you could do to reduce the size of this error if you were to repeat the investigation? Explain your answer. 3 marks

Controlled Assessment Unit - CAUInvestigative Skills Assessment - ISA • ISA section 2 exam – Additional / Separate Science 7 Sketch graph: • A line graph, not necessarily on a grid, that shows the general shape of the relationship between two variables. It will not have any points plotted and although the axes should be labelled they may not be scaled. Explain: • You should make something clear, or state the reasons for something happening. • The points in the answer must be linked coherently and logically. • The answer should not be a simple list of reasons. You may be asked a question similar to this in the section 2 exam: • You have been given a Secondary Data Sheet that provides results from similar investigations. • Draw a sketch graph of the results in Case Study 1. 3 marks

Controlled Assessment Unit - CAUInvestigative Skills Assessment - ISA • ISA section 2 exam – Additional / Separate Science 7 An example of a good answer An example of a good answer

Controlled Assessment Unit - CAUInvestigative Skills Assessment - ISA • ISA section 2 exam – Additional / Separate Science 7 Hypothesis: • A proposal intended to explain certain facts or observations Explain: • You should make something clear, or state the reasons for something happening. • The points in the answer must be linked coherently and logically. • The answer should not be a simple list of reasons. You may also be asked a question similar to this in the section 2 exam • X investigates the following hypothesis … • Explain whether or not the results in Case Studies 1, 2 and 3 support this hypothesis. • To gain full marks your explanation should include appropriate examples from the results in Case studies 1, 2 and 3. 3 marks

Controlled Assessment Unit - CAUInvestigative Skills Assessment - ISA • ISA section 2 exam – Science A 7 Hypothesis: • A proposal intended to explain certain facts or observations Explain: • You should make something clear, or state the reasons for something happening. • The points in the answer must be linked coherently and logically. • The answer should not be a simple list of reasons. You may be asked a question similar to this in the section 2 exam: • Look at Case Study 4. • To what extent do the results shown support the manufacturer's hypothesis? • Explain your answer. 3 marks

C ontrolled A ssessment U nit - CAU I nvestigative S kills A ssessment - ISA

C ontrolled A ssessment U nit - CAU I nvestigative S kills A ssessment - ISA

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Introduction to CASA ( C ontacts A nd S elf- A ssessment )

A ssessment of S kills and K nowledge 3-8

C ontrolled A ssessment U nit - CAU I nvestigative S kills A ssessment - ISA

Cloud O pportunity A ssessment

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Introduction to CASA ( C ontacts A nd S elf- A ssessment )

O regon’s A ssessment of K nowledge and S kills

CAR C lient A ssessment R ecord

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E xternal C orrosion D irect A ssessment

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H igh S chool P roficiency A ssessment

E nvironmental I mpact A ssessment

Introduction to CASA ( C ontacts A nd S elf- A ssessment )

A ssessment I nformation M anagement

S TRATEGIC E NVIRONMENTAL A SSESSMENT