ventilation_results.xlsx |
Apologies for the delay in posting this.
Use the data in the excel spreadsheet and the comments I made on the similar recent homework to answer the following questions:
GRADE C
1. List the independent and dependent variables (beware - there are 2 independent variables. One for each experiment). (3 marks)
2. List at least 2 control variables. (2 marks)
GRADE B
3. Describe the results. (4 marks)
GRADE A
4. Explain the results using your knowledge of respiration and breathing (DON'T get the two confused). (3 marks)
GRADE A*
5. Evaluate the validity, precision, reliability and accuracy of your results (4 marks)
http://chemistry-alevel.blogspot.co.uk/2010/10/reliability-precision-accuracy-and.html
DUE Friday 13th February
Use the data in the excel spreadsheet and the comments I made on the similar recent homework to answer the following questions:
GRADE C
1. List the independent and dependent variables (beware - there are 2 independent variables. One for each experiment). (3 marks)
2. List at least 2 control variables. (2 marks)
GRADE B
3. Describe the results. (4 marks)
GRADE A
4. Explain the results using your knowledge of respiration and breathing (DON'T get the two confused). (3 marks)
GRADE A*
5. Evaluate the validity, precision, reliability and accuracy of your results (4 marks)
http://chemistry-alevel.blogspot.co.uk/2010/10/reliability-precision-accuracy-and.html
DUE Friday 13th February