This is a great interactive tutorial from ohaus.
Triple beam balance reading.
Typically the reading scale of the middle beam reads in 100 gram increments the far beam in 10 gram increments and the front beam can read from 0 to 10 grams.
On one side of this beam is a pan on which the object to be measured is placed while on the other side the beam is split into three parallel beams each carrying a known weight and together culminating into a pointer pointing to a fixed scale.
Using the tutorial prior to using the triple beam balance in class significantly improved the student s understanding of how to find read and record the mass of an object to the nearest 1 10th of a gram.
The difference in size of the beams indicates the difference in weights and reading scale that each beam measures.
Students identify the parts of a triple beam balance and practice measuring the mass of objects.
The triple beam balance is a measuring instrument comprising a beam supported on a fulcrum.
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Triple beam balance definition.
The mass of a variety of objects can be determined using this simulated version of a common real world laboratory tool for measurement.
Reading a triple beam balance worksheet and ohaus website.