CONCLUSION A good physics IA is an experiment which evaluates two variables that are not well studied. Improvement Physics HL IA Rubric Score Personal engagement 0 The student’s report does not reach a standard described by the descriptors below. line be k. Therefore: And thus, R α 1/A Internal Assessment Physics HL ----- Physics HL. etc. Sample 5. Improvement 1: Also, the recording should be done very quickly after the power source is turned on, to minimize the time the wire has to heat up. Nonetheless, it is still fairly precise. Exemplars for the IB Physics IA: 2. Furthermore, there are no wires that are exactly uniform in thickness throughout the whole length of the wire (microscopically, During this experiment however, there was insufficient time, which made this difficult to implement. Let's call that w. The readings may still fluctuate, but it will be a less significant digit that is fluctuating. 0.01, 0.02, etc.) A good physics IA is an experiment which evaluates two variables that are not well studied. This improvement could significantly help to reduce the uncertainty in the practical. 35 IB PHYSICS IA IDEAS: SIMPLE AND SCORE HIGH MARKS. – 3 weaknesses and 3 improvements And it’s not particularly hard to write one that scores 5/6 or 6/6 for each section. Also, make your improvements realistic – you can NOT conduct your experiment in zero gravity in space! Remember the key elements: IA ENGAGEMENT Qs (make copy) IA TEMPLATE (COOPER) IA Engagement / Exploration Questions Googledoc - please make a copy and save it as your name + IA Exploration Questions. And it’s not particularly hard to write one that scores 5/6 or 6/6 for each section. | Marco Antonio Cabrera Aguilar - Academia.edu This laboratory studies the behavior of a cylinder with an open top … It was the hundredth digit (i.e. This means that different sections of the wire will create different amounts of resistance. One possible improvement may be to clip the clips onto the wires before measuring out the length. 1 The evidence of personal engagement with the exploration is limited with little independent thinking, initiative or creativity. It was noticed that the wires would heat up after a couple of seconds of running a current through them. The thickness of the wire was not constant throughout the length of the wire. For example: you let a ball fall onto a piece of flat wood and then it rebounds with some height h. You could relate that height to for example the width of the wood. Sample 3. Post was not sent - check your email addresses! The line of best fit of the Length v Resistance graph 2,664,345 visits ; Internal Assessment. Sample 2. 1: The uncertainty caused by this is difficult to minimize without changing to a more precise Ammeter/Voltmeter, perhaps one that can measure Voltage and Current to 4 decimal places. It has inspired me to do something similar, but perhaps with water rather than sound. 20 IB Physics IA Topic Ideas! Sample 1. This would also make it easier for the alligator clips to clip onto the wire. Sorry, your blog cannot share posts by email. Improvement 1: 1 The evidence of personal engagement with the exploration is limited with little independent thinking, initiative or creativity. Sample 4. This laboratory studies the behavior of a cylinder with an open top and an orifice in its bottom as it submerges into water. Another solution may be to mark out the length, and leave 1 centimeter either side and then adjust the clips. The measurement of the wires was difficult, because the wires were not completely straight, i.e. ©2019 Educatalyst TM. Improvement 4: Furthermore, the cutting process, using the scissors was also difficult, as it was hard to get the cut exact. this would not be feasible). (R is proportional to 1/A), (Source: Physics for the IB Diploma, K. A. Tsokos, 2008). This means that the resistance of the wires will increase. This was the main cause of uncertainty in the cross-sectional area of the wires. Random error can often be reduced by increasing the number of results taken. The justification given for choosing the research question and/or the topic To minimize this problem, time should allowed for the wires to cool after each experiment. And most importantly, you need to include the EFFECT of the weakness (how does it affect your results).
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