Post on 06-Jan-2016
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METRIC MEASUREMENTS
Left Image: http://webapps.lsa.umich.edu/physics/demolab/controls/imagedemosm.aspx?picid=1167Right
METRIC PREFIXESKILO- 1000HECTA – 100DECA - 10DECI - .1 ONE TENTHCENTI - .01 ONE HUNDREDTHMILLI - .001 ONE THOUSANDTH
METRIC BASE UNITSMETER –BASE UNIT FOR LENGTH
LITER – BASE UNIT FOR VOLUME
CELSIUS – BASE UNIT FOR TEMPERATURE KILOGRAM – BASE UNIT FOR MASS
METER (m)
1 METER (m) = 100 CENTIMETERS (cm) 1 METER (m) = 1000 MILLIMETERS(mm) 1 CENTIMETER (cm) = 10 MILLIMETERS (mm) 1 KILOMETER (km) = 1000 METERS (m)
Left Image: http://webapps.lsa.umich.edu/physics/demolab/controls/imagedemosm.aspx?picid=1167Right
AREA = LENGTH X WIDTHFFFFFFFF
10 CM
7 CM
LENGTH = 10 CMWIDTH = 7 CM
10 CM X 7 CM = 70 CM2
VOLUME OF A SOLIDVOLUME = LENGTH X WIDTH X HEIGHT
8 CM
6 CM
5 CM
LENGTH = 8 CMWIDTH = 6 CMHEIGHT = 5 CM
8 CM X 6 CM X 5 CM = 240 CM3
VOLUME
IS THE AMOUNT OF SPACE AN OBJECT TAKES UP
LITER (L)BASE UNIT FOR MEASURING LIQUID
VOLUME
1 LITER (L) = 1000 MILLILITERS (ML)
MENISCUS THE BOTTOM OF THE CURVE WHICH IS USED TO MEASURE VOLUME IN A
GRADUATED CYLINDER
Left Image: http://morrisonlabs.com/meniscus.htmRight Image: http://www.tea.state.tx.us/student.assessment/resources/online/2006/grade8/science/images/20graphicaa.gif
CELSIUSTHE METRIC BASE UNIT FOR MEASURING TEMPERATURE IS DEGREES
CELSIUSAT 0 C DEGREES CELSIUS WATER FREEZES
o
AT 100 C DEGREES CELSIUS WATER BOILSo
ANDERS CELSIUSLIVED FROM 1701 -1744.
FROM SWEDENHE WANTED A 100 DEGREE
DIFFERENCE BETWEEN FREEZING AND BOILING WATER.
Image from http://en.wikipedia.org/wiki/Anders_Celsius
THERMOMETER AS THE LIQUID WARMS UP, IT TAKES UP MORE SPACE IN THE
BULB
MASSTHE AMOUNT OF MATTER IN AN OBJECT
KILOGRAM (kg) IS THE BASE UNIT OF MASS
1 KILOGRAM (kg) = 1000 GRAMS (g)
1 GRAM (g) = 1000 MILLIGRAMS (mg)
TRIPLE BEAM BALANCE
AFTER THE OBJECT IS PLACED ON THE SCALE, THE THREE WEIGHTS ARE MOVED UNTIL THE LINES ON THE BEAM AND SIDE LINE UP
DETERMINE THE WEIGHT
AFTER THE SCALE IS BALANCED, THE WEIGHTS ON THE THREE BEAMS ARE ADDED.
1’s Grams
100’s of Grams
10’s of Grams
Pan
Calibration Knob
RidersBeams
Pointer
Base
Arm
Questions?
Top Image: http://www.southwestscales.com/Ohaus_Triple_Beam_750-SO.jpgBottom Image: http://www.regentsprep.org/Regents/biology/units/laboratory/graphics/triplebeambalance.jpg
Pointer 1’s Grams Riders Calibration Knob
Arm Pan 10’s of Grams Beams
100’s of Grams Base
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