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**Objectives: Catalyst:**

Welcome to day 6!!!!!! Objectives: SWBAT Convert between SI Units SWBAT Use dimensional analysis method of conversions Catalyst: Why would it be important to have one universal system of measurement that everyone uses?

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**Agenda 8/24 Converting between SI Units**

Using dimensional analysis method of conversions Practice makes perfect!!!!

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**5pts extra credit if everything in by Friday!**

Lab Fee, Safety Contract, Notebook Set-up & Extra Item

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**SI System/Dimensional Analysis Method**

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**SI System & Dimensional Analysis Method**

Key point #1: The SI System is a way of measuring in science

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**SI System & Dimensional Analysis Method**

SI System – Le System International – a universal measuring system.

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**SI System & Dimensional Analysis Method**

Key point #2: SI prefixes can be used with ANY of the SI units

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**SI System & Dimensional Analysis Method**

Basic Units: Length – meter (m) Mass – kilogram (kg) Volume – liter (L) Density – (kg/L) or (kg/m3)

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**SI System & Dimensional Analysis Method**

Prefixes: King kilo Henry hecto 100 Died deka 10 By base unit 1

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**SI System & Dimensional Analysis Method**

Prefixes: Drinking deci .1 Chocolate centi Milk milli

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**SI System & Dimensional Analysis Method**

The quick way to doing conversions with these units…

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**SI System & Dimensional Analysis Method**

Move decimal to right (Add Zeroes) km Hm Dam m dm cm mm Move decimal to left (Take off Zeroes) Note: these prefixes can be used with ANY of the SI units!

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**SI System & Dimensional Analysis Method**

Move decimal to right (Add Zeroes) kL HL DaL L dL cL mL Move decimal to left (Take off Zeroes)

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**SI System & Dimensional Analysis Method**

Move decimal to right (Add Zeroes) km Hm Dam m dm cm mm Move decimal to left (Take off Zeroes) 5.63 km

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**SI System & Dimensional Analysis Method**

Move decimal to right (Add Zeroes) km Hm Dam m dm cm mm Move decimal to left (Take off Zeroes) 5.63 km 5630 m

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**SI System & Dimensional Analysis Method**

Move decimal to right (Add Zeroes) km Hm Dam m dm cm mm Move decimal to left (Take off Zeroes) 5.63 km 5630 m 563,000 cm

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**SI System & Dimensional Analysis Method**

Move decimal to right (Add Zeroes) km Hm Dam m dm cm mm Move decimal to left (Take off Zeroes) 231 dm How many meters?

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**SI System & Dimensional Analysis Method**

Move decimal to right (Add Zeroes) km Hm Dam m dm cm mm Move decimal to left (Take off Zeroes) 23.1 m 231 dm How many kilometers?

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**SI System & Dimensional Analysis Method**

Move decimal to right (Add Zeroes) km Hm Dam m dm cm mm Move decimal to left (Take off Zeroes) .0231 m 23.1 m 231 dm

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**SI System & Dimensional Analysis Method**

3.45 km = ? mm 22,000 dL = ? hL 14 cg = ? kg

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**SI System & Dimensional Analysis Method**

Km Hm Dam m Dm Cm Mm Add Zeroes Take off Zeroes

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**SI System & Dimensional Analysis Method**

Km Hm Dam m Dm Cm Mm 3,450,000 Add Zeroes Take off Zeroes

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**SI System & Dimensional Analysis Method**

3.45 km = 3,450,000 mm 22,000 dL = ? hL 14 cg = ? kg

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**SI System & Dimensional Analysis Method**

Km Hm Dam m Dm 22,000 Cm Mm Add Zeroes Take off Zeroes

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**SI System & Dimensional Analysis Method**

Km Hm 22 Dam m Dm 22,000 Cm Mm Add Zeroes Take off Zeroes

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**SI System & Dimensional Analysis Method**

3.45 km = 3,450,000 mm 22,000 dL = 22 hL 14 cg = ? kg

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**SI System & Dimensional Analysis Method**

Km Hm Dam m Dm Cm 14 Mm Add Zeroes Take off Zeroes

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**SI System & Dimensional Analysis Method**

Km Hm Dam m Dm Cm 14 Mm Add Zeroes Take off Zeroes

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**SI System & Dimensional Analysis Method**

3.45 km = 3,450,000 mm 22,000 dL = 22 hL 14 cg = kg

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**SI System & Dimensional Analysis Method**

Times and draw your line…

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**SI System & Dimensional Analysis Method**

1 ft = 12 in 3 ft = 1yard 1 km = .62 mi 1 mi = 5280 ft 1 in = 2.54 cm

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**SI System & Dimensional Analysis Method**

35 feet = ? inches

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**SI System & Dimensional Analysis Method**

35 ft X =

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**SI System & Dimensional Analysis Method**

35 ft ft X =

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**SI System & Dimensional Analysis Method**

35 ft in ft X =

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**SI System & Dimensional Analysis Method**

35 ft in 1 ft X =

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**SI System & Dimensional Analysis Method**

35 ft in in 1 ft X =

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**SI System & Dimensional Analysis Method**

.7 km = ? ft

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**SI System & Dimensional Analysis Method**

1 ft = 12 in 3 ft = 1yard 1 km = .62 mi 1 mi = 5280 ft 1 in = 2.54 cm

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**SI System & Dimensional Analysis Method**

.7 km X

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**SI System & Dimensional Analysis Method**

.7 km km X

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**SI System & Dimensional Analysis Method**

.7 km mi km X

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**SI System & Dimensional Analysis Method**

.7 km mi 1 km X

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**SI System & Dimensional Analysis Method**

.7 km mi 1 km X X =

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**SI System & Dimensional Analysis Method**

.7 km mi 1 km mi X X =

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**SI System & Dimensional Analysis Method**

.7 km mi ft 1 km mi X X =

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**SI System & Dimensional Analysis Method**

.7 km mi ,280 ft 1 km mi X X =

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**SI System & Dimensional Analysis Method**

.7 km = ft

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**SI System & Dimensional Analysis Method**

5 km = ? in

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**SI System & Dimensional Analysis Method**

1 ft = 12 in 3 ft = 1yard 1 km = .62 mi 1 mi = 5280 ft 1 in = 2.54 cm

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**SI System & Dimensional Analysis Method**

Km 5 Hm Dam M Dm Cm Mm Add Zeroes Take off Zeroes

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**SI System & Dimensional Analysis Method**

Km 5 Hm Dam M Dm Cm 500,000 Mm Add Zeroes Take off Zeroes

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**SI System & Dimensional Analysis Method**

500,000 cm X =

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**SI System & Dimensional Analysis Method**

500,000 cm cm X =

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**SI System & Dimensional Analysis Method**

500,000 cm in cm X =

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**SI System & Dimensional Analysis Method**

500,000 cm in 2.54 cm X =

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**SI System & Dimensional Analysis Method**

500,000 in 2.54 =

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**SI System & Dimensional Analysis Method**

500,000 in ,850.4 in 2.54 =

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**SI System & Dimensional Analysis Method**

800 mi = ? km

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**SI System & Dimensional Analysis Method**

800 mi = 1,290.3 km

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**SI System & Dimensional Analysis Method**

800 in = ? hm

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**SI System & Dimensional Analysis Method**

800 in = .203 hm

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