Find a vessel large enough to contain the entire glass. Fill it so high that it is flows over the top. After filling it, place something under the vessel to collect all spilled water.
Carefully slip the glass into the vessel so that the glass fills as it is submersed. Water will pour into the lower container. Transfer this water into a measuring cylinder.
The water collected is what was displaced by the glass. It must have the same volume as the glass. Archimedes' principle actually goes a bit further that this, but this is how you measure the volume.
Also, you can probably come up with some variation of this process that does not make such a mess. Followup: Let me try harder. By Archimedes principle, the upward buoyant force on a submersed body is equal to the weight of the fluid it displaces.
Use a spring scale, preferably one that is graduated in grams. Hang the glass from the spring scale and make a note of its weight. Now, while dunking it in water, record the weight again.
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I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.