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the amount of matter an object contains
mass
how much space an object it takes up
volume
For measuring volumes very precisely. Put the level we want you to measure at eye level.
Measuring cylinder
For dispensing and transferring known volumes of a liquid. It’s got a valve at one end for letting out precise volumes.
Burette
For collecting and measuring very small volumes of liquids. We use the wheel to suck the liquid into the pipette.
Pipette and pro pipette
For containing or measuring volumes of liquid substances when we don’t need precision.
Beaker
Mainly for heating liquids. Its shape reduces losses from stirring or evaporation.
Erlenmeyer flask
For containing volumes of liquids. The marking lines on the narrow neck indicate the precise volume on the flask.
Volumetric flask
For measuring masses with great precision. It’s closed, so it avoids variation due to air drafts.
Analytical scale
These are very common in school laboratories. Their precision can vary from 1 g to 1 mg.
Grantaria scale
Almost museum pieces, but still common in some laboratories. They measure masses with good precision.
Weighing scales
