# Objectives: Catalyst:

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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?

Agenda 8/24 Converting between SI Units
Using dimensional analysis method of conversions Practice makes perfect!!!!

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SI System/Dimensional Analysis Method

SI System & Dimensional Analysis Method
Key point #1: The SI System is a way of measuring in science

SI System & Dimensional Analysis Method
SI System – Le System International – a universal measuring system.

SI System & Dimensional Analysis Method
Key point #2: SI prefixes can be used with ANY of the SI units

SI System & Dimensional Analysis Method
Basic Units: Length – meter (m) Mass – kilogram (kg) Volume – liter (L) Density – (kg/L) or (kg/m3)

SI System & Dimensional Analysis Method
Prefixes: King kilo Henry hecto 100 Died deka 10 By base unit 1

SI System & Dimensional Analysis Method
Prefixes: Drinking deci .1 Chocolate centi Milk milli

SI System & Dimensional Analysis Method
The quick way to doing conversions with these units…

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!

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)

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

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

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

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?

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?

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

SI System & Dimensional Analysis Method
3.45 km = ? mm 22,000 dL = ? hL 14 cg = ? kg

SI System & Dimensional Analysis Method
Km Hm Dam m Dm Cm Mm Add Zeroes Take off Zeroes

SI System & Dimensional Analysis Method
Km Hm Dam m Dm Cm Mm 3,450,000 Add Zeroes Take off Zeroes

SI System & Dimensional Analysis Method
3.45 km = 3,450,000 mm 22,000 dL = ? hL 14 cg = ? kg

SI System & Dimensional Analysis Method
Km Hm Dam m Dm 22,000 Cm Mm Add Zeroes Take off Zeroes

SI System & Dimensional Analysis Method
Km Hm 22 Dam m Dm 22,000 Cm Mm Add Zeroes Take off Zeroes

SI System & Dimensional Analysis Method
3.45 km = 3,450,000 mm 22,000 dL = 22 hL 14 cg = ? kg

SI System & Dimensional Analysis Method
Km Hm Dam m Dm Cm 14 Mm Add Zeroes Take off Zeroes

SI System & Dimensional Analysis Method
Km Hm Dam m Dm Cm 14 Mm Add Zeroes Take off Zeroes

SI System & Dimensional Analysis Method
3.45 km = 3,450,000 mm 22,000 dL = 22 hL 14 cg = kg

SI System & Dimensional Analysis Method

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

SI System & Dimensional Analysis Method
35 feet = ? inches

SI System & Dimensional Analysis Method
35 ft X =

SI System & Dimensional Analysis Method
35 ft ft X =

SI System & Dimensional Analysis Method
35 ft in ft X =

SI System & Dimensional Analysis Method
35 ft in 1 ft X =

SI System & Dimensional Analysis Method
35 ft in in 1 ft X =

SI System & Dimensional Analysis Method
.7 km = ? ft

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

SI System & Dimensional Analysis Method
.7 km X

SI System & Dimensional Analysis Method
.7 km km X

SI System & Dimensional Analysis Method
.7 km mi km X

SI System & Dimensional Analysis Method
.7 km mi 1 km X

SI System & Dimensional Analysis Method
.7 km mi 1 km X X =

SI System & Dimensional Analysis Method
.7 km mi 1 km mi X X =

SI System & Dimensional Analysis Method
.7 km mi ft 1 km mi X X =

SI System & Dimensional Analysis Method
.7 km mi ,280 ft 1 km mi X X =

SI System & Dimensional Analysis Method
.7 km = ft

SI System & Dimensional Analysis Method
5 km = ? in

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

SI System & Dimensional Analysis Method
Km 5 Hm Dam M Dm Cm Mm Add Zeroes Take off Zeroes

SI System & Dimensional Analysis Method
Km 5 Hm Dam M Dm Cm 500,000 Mm Add Zeroes Take off Zeroes

SI System & Dimensional Analysis Method
500,000 cm X =

SI System & Dimensional Analysis Method
500,000 cm cm X =

SI System & Dimensional Analysis Method
500,000 cm in cm X =

SI System & Dimensional Analysis Method
500,000 cm in 2.54 cm X =

SI System & Dimensional Analysis Method
500,000 in 2.54 =

SI System & Dimensional Analysis Method
500,000 in ,850.4 in 2.54 =

SI System & Dimensional Analysis Method
800 mi = ? km

SI System & Dimensional Analysis Method
800 mi = 1,290.3 km

SI System & Dimensional Analysis Method
800 in = ? hm

SI System & Dimensional Analysis Method
800 in = .203 hm