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BLACK or Black(ish) SLIDE: Pay attention, follow directions, complete projects as described and answer required questions neatly. Copyright © 2010 Ryan P. Murphy

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RED or Red(ish) SLIDE: These are notes that are very important and should be recorded in your science journal. Or, Red Words Copyright © 2010 Ryan P. Murphy

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-Nice neat notes that are legible and use indentations when appropriate. -Example of indent. -Skip a line between topics -Make visuals clear and well drawn. Please label. Effort Arm Resistance Arm

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Why do we have to learn this? Standard: You will demonstrate an understanding of technological design and scientific inquiry, including process skills, mathematical thinking, controlled investigative design and analysis, and problem solving. School Goal, Math: Student’s math communication skills, reasoning, explaining, justifying will be mastered. Essential Question: Why do scientists use the metric system? Objectives: You will convert, apply, and arrange metric conversion units You will use, apply, and evaluate metric prefixes, and base units to labs You will apply unit factor analysis, scientific notation, and significant figures to metric calculations. You will apply the ladder method and division and multiplication by 10 to calculate and convert metric units.

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The International System of Units If everyone is to understand what your measurements mean, you must agree on the units that will be used. By international agreement, a set of units called "The International System of Units" has been defined for scientific work. This system was adopted in 1960 by the General Conference on Weights and Measures. These units are also called metric units or SI units.

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A long time ago in a faraway galaxy there lived a monarch who loved chocolate milk. His name was Henry, and he was known to all of his subjects as, King Henry!

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Throughout his kingdom, King Henry made sure that all of the cows were fed great supplies of chocolate to continue to provide him with his beloved chocolate milk drink. He had very happy cows!

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King Henry drank chocolate milk with his breakfast, lunch, and dinner. He even drank chocolate milk for his bedtime snack. King Henry drank chocolate milk by the liter!

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King Henry wanted all living creatures in his kingdom to enjoy chocolate milk as much as he enjoyed chocolate milk. However, a liter was not the best serving size for every creature. The Royal Potter was called for and the command was given for new serving vessels to be created to fit every creature in the kingdom.

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SI base units we will use QuantityUnit NameUnit Abbreviation Length meterm Mass kilogramkg Time seconds or sec Volume Litersl Temperature KelvinK Luminous Intensity candelacd Temperature Celsius 0C0C

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For the creatures smaller than the king, the Royal Potter designed Deciliters that were 1/10th the size of a liter, Centiliters that were 1/100th the size of a liter, and Milliliters that were 1/1000th the size of a liter. The milliliters were just right for the Royal Chocolate Beetles found in the kingdom.

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For the creatures greater than the king, the Royal Potter designed, Dekaliters that were 10 times the size of a liter, Hectoliters that were 100 times the size of a liter, and Kiloliters that were 1000 times the size of a liter. The kiloliters were just right for the Royal Elephants of the kingdom.

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The Royal Potter lined the vessels up in his workroom from largest to smallest to show the king. The king’s vessel was in the center of the line, for the king was the center of the kingdom. The vessels were arranged in the following order: kiloliter hectoliter dekaliter Liter deciliter centiliter milliliter

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King Henry loved the new vessels that were designed larger and smaller than his own for all of the living creatures in his kingdom. The Royal Potter explained that the sizes increased and decreased from the king’s liter, the original unit of measurement, by multiples of ten. He explained how to convert between the sizes by multiplying by ten or dividing by ten. King Henry wondered how he would ever remember the order of the vessels.

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The Royal Potter said that he remembered them by thinking of a saying. He said, “I remember the order by saying ‘King Henry Does Usually Drink Chocolate Milk’ and then I have no problem remembering the order.” “That is exactly right!” said King Henry. “Now I shall remember the sizes of the vessels!” He took another big drink of chocolate milk and …

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died

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Now it is known as the Metric Prefix Mnemonic Kk King (kilo, 1,000) Hh Henry (hecto, 100) Dd Died (deka, 10) UU Unexpectedly (Unit (liter, meter, gram, Celsius) Dd Drinking (deci 1/10) (da) Cc Chocolate (centi 1/100) Mm Milk (milli, 1/1,000)

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SI Prefixes Prefixes can be placed in front of the base units. These prefixes are used to represent quantities that are larger or smaller than the base units. PrefixUnit AbbreviationMeaning gigaG1,000,000,000 megaM1,000,000 kilok1,000 hectoh100 decada10 Gram, meter,1 decid.1 centic.01 millim.001 micro .000001 nanon.000000001

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The meter (m) is the SI base unit of length. Prefixes are used to indicate distances longer and shorter than a meter. What name and symbol is given to each of the following units of length? a).000001 m b).001 m c).01 m d).1 m e)10 m f)1000 m Micrometer m Millimeter mm Centimeter cm Decimeter dm Decameter dam Kilometer km

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KiloHectoDekaUNITS Gram Liter Meter decicentimilli Metric Ladder “Use it and you will never get lost!” How To Use Your Ladder 1) Start at the unit/prefix given to you (starting point). 2) Count the number of steps/places to the unit/prefix you want (final destination). 3) Move the decimal point the number of steps/places in the same direction. UNITS 1000 UNITS 100 UNITS 10 UNITS 0.1 UNITS 0.01 UNITS 0.001

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KILO 1000 Units HECTO 100 Units DEKA 10 Units DECI 0.1 Unit CENTI 0.01 Unit MILLI 0.001 Unit Meters Liters Grams Ladder Method How do you use the “ladder” method? 1 st – Determine your starting point. 2 nd – Count the “jumps” to your ending point. 3 rd – Move the decimal the same number of jumps in the same direction and add zeros for each jump 4 km = _________ m 1 2 3 How many jumps does it take? Starting Point Ending Point 4. 1 __. 2 3 = 4000 m

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Multiplying/Dividing

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KiloHectoDeka Gram decicentimilli Practice Problem 1 How many mg are in 3.6 Kg? Starting pointFinal Destination 3,600,000 mg 6 places to the right of the decimal point 3.6 kg36.0 hectogram 360. 0 dekagrams 3600. 0 grams 360000.0 centigrams 3600000.0 milligrams 36000. 0 deci grams

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KiloHectoDeka Meter decicentimilli Practice Problem 2 How many hm are in 12.67 mm? Starting pointFinal Destination 0.0001267 hm 5 places to the left of the decimal point

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Helpful Mnemonic Try to create your own mnemonic to help you remember the prefixes and their order. This will be important because you will not receive the metric map on your quiz. KayHolleredDog ARF! dogcan’tmove Gram Liter Meter UNITS 1000 UNITS 100 UNITS 10 UNITS 0.1 UNITS 0.01 UNITS 0.001 KingHenryDied drinking chocolate milk Usually

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Another Helpful Mnemonic Try to create your own mnemonicto help you remember the prefixes and their order. This will be important because you will not receive the metric map on your quiz. KHD ! dcm Gram Liter Meter UNITS 1000 UNITS 100 UNITS 10 UNITS 0.1 UNITS 0.01 UNITS 0.001

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Show what you have learned

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King Henry’s Flip Book Make Flip Book http://www.scetv.org/education/ntti/pdf/2002pdf/fliipout_A2 b.pdf http://www.scetv.org/education/ntti/pdf/2002pdf/fliipout_A2 b.pdf Show units Show prefixes Show conversions Show definitions Show numerical units

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Add to King Henry’s or create your own mnemonic, or poem Make new mnemonic Create new poem Example: When it's zero it's freezing, when it's 10 it's not, when it's 20 it's warm, when it's 30 it's hot! Or, Thirty is hot Twenty is nice Ten is cool Zero is ice

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