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Measurement

dimension, mass, volume, time, temperature, density, and converting SI units
by

Ashley Gremillion

on 23 August 2010

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Transcript of Measurement

Measurement
throughout the year, we will be measuring all types of materials and objects
you will need to know what each of the measurements represent and how to find them
Dimension
length, width or height of an object
you will also need to know the unit for each type of measurement
SI unit: system of measurement used by scientists throughout the world
SI unit: Meter (m)
found using a meter stick
Volume
how much 3-dimensional space an object takes up
found by multiplying a solid object's length x width x height
SI unit: cubic meters m^3 for solids and liter (L) for liquids
OR
using a graduated cylinder
Mass
measure of how much matter is in an object
SI unit: gram (g)
found using a triple beam balance
Time
duration of an event
SI unit: second (s)
found using a clock or stop watch
Temperature
measurement of the average energy of motion of the particles of a substance
SI unit: degree Celsius (C)
found using a thermometer
Density
ratio of the mass of a substance to its volume
SI unit: g/m^3
found using the formula Density= mass/volume
Converting
you will need to know how to convert between units; you can think of this like converting from dimes to dollars. everything is in multiples of ten
King: kilo (k)=1000
Henry: hecto (h)=100
Died: deka (da)=10
(unit): m, g, L, etc
Drinking: deci (d)= 0.1 (1/10)
Chocolate: centi (c)=0.01 (1/100)
Milk: milli (m)=0.001 (1/1000)
Reading a graduated cylinder
due to the surface tension, the water pulls up along the edge of the cylinder and forms a U called the MENISCUS
the volume of liquid is determined by where the bottom of the U is
Full transcript