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In this experiment you will be measuring the mass and volume of various objects and using these measurements to calculate densities and make predictions. The investigation is designed to give you an understanding of:
You may either do this investigation alone or with up to one other person currently enrolled in the course (ie. you may not work as a group of three or more). If you work with someone else you need to acknowledge your collaborator (include their name and student number in the report). In this case you must answer the questions individually even if your data is the same. If you have identical answers that will be considered plagiarism, so while it is OK to collect the data together you need to answer the questions and plot the graphs etc. as individuals.
Assemble this equipment before you start the exercise:
Read over the experimental method and then complete a risk assessment in the table below. You must minimize all risks before you start. Add as many rows to the table as you need. If any of the risks rank above medium then you need to adapt the experiment to make it safer before proceeding.
By proceeding with the experiment you are agreeing to follow these risk control methods and conduct the experiment safely. If you have any doubts about your ability to complete the experiment safely then you should not proceed. In your report you need to state that you agree to follow these risk controls. Without this statement your report will not be marked.
Results and Analysis:
Mass of bottle:
Initial volume reading:
Final volume reading:
Volume of small bottle:
Initial mass of jug:
Final mass of jug:
Change in mass when bottle submerged:
Image of empty bottle in jug
Image of filled bottle in jug
Mass of bottle and sand/salt:
Mass of sand/salt:
Predicted mass of salt/sand in the bottle:
Density of salty water:
What to submit:
Submit a report through TurnItIn on Moodle. The report should include:
You report should not include:
You may write your report neatly by hand and scan it in (there are apps for iphones and ipads that allow you to scan documents in, this is much easier for your tutor to read than a photo) or type-set it. It can take a long time to typeset mathematical expressions so the first option may be a lot faster. If your report is predominantly handwritten please attach a cover sheet to it so that it gets processed through TurnItIn. If you include handwritten material it needs to be neat and easy to read. If your tutor can not easily read it they will not mark it. The report needs to be in a single file. It is better to submit a .pdf than a word document as word documents can look different on different computers. Your tutor will mark the report as it is displayed on their machine.
Rubric (this rubric has been programmed into TurnItIn):
TOTAL: 15 (This contributes 5% towards your total mark for the subject)