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measurements & units
Question | Answer |
---|---|
name some instruments used to measure length | meter stick, ruler, measuring tape, calipers, Vernier calipers, opisometer and trundle wheel |
what is the mass of an object | amount of matter or stuff in it |
how do you measure the mass of an object | balance of scales |
how is time measured | stopwatch or stopclock |
how do you measure temperature | thermometer, temperature sensor, data-logging equipment |
what is temperature | how hot or cold the object is |
what is the melting point of ice | 0 C |
what is the boiling point of water | 100 C |
what is the normal temperature of the human body | 37 C |
What is the SI unit of length | metre |
What is the SI unit of mass | kilogram |
What is the SI unit oftime | second |
What is the SI unit of temperature | degrees celcius |
what is a prefix | often combined with a unit to muliltiply or divide the unit bu a power of ten. |