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Lv 2 Physics Standard 91168 Cheat Sheet (DRAFT) by [deleted]

The explanation of the elements of an experiment

This is a draft cheat sheet. It is a work in progress and is not finished yet.


Write an aim that is a single sentence long. The aim must inform the reader of the purpose of the invest­iga­tion.


Set up the equipment and do a quick prelim­inary experiment so that you can better understand the physics ideas, the variables, and experi­mental limita­tions.
Write a brief discussion of any issues that arose during this prelim­inary experiment
Make a prediction of what you expect to happen based on an unders­tanding of relevant physics ideas


Indepe­ndent Variable
Dependent Variable
Control Variable
Identified and given at least 5 different values; range accept­able; unit given
Identi­fied; values measured; unit given; acceptable accuracy
Required variable controlled
Upper/­Lower value of range justified
Controlled variable value justified
Describe how it will be changed
Describe Sources of error. How to improve
Describe any diffic­ulties encoun­tered when measuring this variable and how these diffic­ulties will be overcome