Sunday, September 5, 2010

1P6 - Measurement of Length

In 1P6, we learnt how to measure things with tools that I never knew existed like the micrometer screw gauge. We were to measure things with tools we thought that was the most appropriate.

Vernier Calipers: 0.10cm
Meter Rule : 0.01cm
MicroMeter Screw: 0.01mm

I thought, wow the micro meter screw gauge measures very small thins, so immediately, i took out my 5 cent coin and measured it. I did not know how to use the micro meter screw gauge so I could not find out the thickness. We were to measure a small beaker that can contain 50ml, ball bearing and a piece of thick wire. We measured our wooden stools with the meter rule and it was 60.6cm. We also learnt how to check of zero-error. Next we took the vernier calipers and measured the internal and external diameters of the beaker, then we used the micrometer screw gauge and measured the wire and the marble( we could not find a ball bearing so we used a marble as a replacement). We then have to answer a question where we could only use a meter rule and a glass rod to find out the diameter of the glass rod.

After I went home, I went to my father's work station and I took out his vernier caliper and started measuring tons of things. It was so fun, I even measured the the thickness of my toilet seat.

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