MEASUREMENT OF A PHYSICAL QUANTITY INVOLVES _ STEPS
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Answer:
In physics, there are seven fundamental physical quantities (which are measured in base units, or fundamental physical units): length, mass, time, electric current, temperature, amount of a substance, and luminous intensity.
Answer:
I am speaking not as a chemist, not as a physicist, not as a professional scientist, however, I can offer some guidelines. Note this is not a complete list! You are interested in measuring something, its weight, size and other characteristics? Learn as much as you can about the substance before getting near or touching it! Certain substances dropped into water will explode. Do not handle dry ice with your hands unless you are wearing gloves. Do not inhale acids, etc., etc. Make certain what you want to measure is not toxic! If it is hazardous, take the necessary precausions. You may need a measuring device, such as a graduated cylinder or a measuring cup (it depends: are you doing science or measuring one cup of flour for baking a cake?). A scale will enable you to determine the weight. A ruler (technically a scaler) may permit you to measure the highth, width and length. To measure a large irregular object (a rock, say) easily, put it in a large graduated cylinder and cover with bbs (or grains of rise, or water if that won’t harm the specimen. See how much the rock displaces the bbs, rice or water. THAT gives you its volume, a very useful part of its characgteristics. Use a thermometer to measure the temperature of liquids. Document everything by taking notes and photographs to help keep track of what you are up to. Good luck!
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