We drop the lowest lab mark out of 10 lab marks and keep the highest 5 quiz grades out of however many quizzes there are.
So doing a 10th lab or more than 5 quizzes as makeups will usually only cause a minor change to your course average and usually no change at all to your letter grade. However, doing such makeups could be pedagogically useful if you approach them in the right spirit---"I'm here to learn."
Doing makeups for undropped items is probably very important to your letter grade.
Yours truly tries to accommodate everyone who wants a makeup, but those for whom it is grade-important take precedence
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However, makeups at other times, including during the day, are possible particularily for labs NOT requiring observations and for quizzes.
The instructor and student should agree on a schedule for their makeups.
Note to do a makeup for a quiz you must NOT have seen a copy of that quiz.
Makeups without dates below are for the regular makeups period for the semester.
Current Makeup Schedule:
The instructor should put out all the equipment needed for the labs to be made up and have quizzes ready for the quizzed to be made up.
Typically, about half an hour suffices for practice for the Lab Final.
You can skip practice altogether if you think that you can do the Lab Final without.
Or your could just come on the night of the Lab Final and practice beforehand.
If you have no makeups to do and don't want to practice on the makeup night, you don't need to come on the makeup night.
The instructor should put planispheres and a C8 telescope for practice.
This is catch-as-catch-can since the instructor is helping with the makeups.
But it is usually possible to accommodate a few people.