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CCA! Volume 6   Home > Laboratory > Measuring > Mass > Analytical Balance >


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Weigh a Solid Sample (Procedures and Mistakes)

Correctly and incorrectly performed steps in weighing a solid sample are shown.

These movies can be assembled into a number of different sequences for testing students. The students might then be asked to spot errors or select correct procedures.
Is the Balance Door Closed? (Procedures and Mistakes)




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The balance door must be closed in order to obtain a stable reading. Both appropriate and inappropriate examples are included.
Taring (Procedures and Mistakes)




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The tare button sets the mass of whatever is on the balance pan to zero. Both appropriate and inappropriate examples are included.
Weighing Some Different Masses (Procedures and Mistakes)




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Several different masses are weighed on an analytical balance. Some are much too large or much too small if the assignment is to weigh out a 0.5 g sample.
Record Balance Reading (Procedures and Mistakes)




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These movies show balance readings recorded correctly and incorrectly.


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