September 21, 2011 T – Practice unit conversion A – Finish unit conversion worksheet L – none E – none

September 21, 2011 BellRinger Pop Quiz Get out a blank sheet of notebook paper and write your name, today’s date, period On 9/6/11, what was the answer to #3? On 9/8/11, what was the answer to #1? On 9/12/11, what was the answer to #2? On 9/15/11, what was the answer to #2? On 9/19/11, what was the answer to #1?

Metric Units In science, we only use metric units: meters, liters, grams We NEVER use: inches, yards, ounces, etc…

Converting metric units This should ALREADY be in your notes… Grams Liters Meters

Converting metric units Underneath that, copy THIS … 1000 km 100 hm 10 dam 1 m (meter) 0.1 dm 0.01 cm 0.001 mm kL kg hL hg daL dag L (liters) g (grams) dL dg cL cg mL mg (biggest) (smallest)

Converting metric units Let’s try a few… 1 kg = _________ g 1000 kg 100 hg 10 dag 1 g (gram) 0.1 dg 0.01 cg 0.001 mg (biggest) (smallest) We are converting to a smaller unit. So we need to move down the conversion chart staircase. LEFT We need to move the decimal to the _______________!

. Converting metric units 1 kg = _________ g 1.0 kg 1 kg 3 Let’s try a few… 1 kg = _________ g 1000 kg 100 hg 10 dag 1 m (gram) 0.1 dg 0.01 cg 0.001 mg (biggest) (smallest) 3 1.0 kg  move the decimal place left __________ times. . 1.0 kg 1 kg

Converting metric units Let’s try a few… 1 kg = _________ g 0 . 0 0 1 1000 kg 100 hg 10 dag 1 m (gram) 0.1 dg 0.01 cg 0.001 mg (biggest) (smallest) 3 1.0 kg  move the decimal place left __________ times. 0 . 0 0 1 g

Converting metric units Let’s try a few… 1 mm = _________ m 1000 km 100 hm 10 dam 1 m (meter) 0.1 dm 0.01 cm 0.001 mm (biggest) (smallest) We are converting to a larger unit. So we need to move up the conversion chart staircase. RIGHT We need to move the decimal to the _______________!

. Converting metric units 1 mm = _________ m 0 .0 0 1 g 1 mm 1.0 mm 3 Let’s try a few… 1 mm = _________ m 1000 km 100 hm 10 dam 1 m (meter) 0.1 dm 0.01 cm 0.001 mm (biggest) (smallest) 0 .0 0 1 g 3 1.0 kg  move the decimal place left __________ times. . 1 mm 1.0 mm

Converting metric units Let’s try a few… 1 mm = _________ m 1 0 0 0 1000 km 100 hm 10 dam 1 m (meter) 0.1 dm 0.01 cm 0.001 mm (biggest) (smallest) 3 1.0 kg  move the decimal place left __________ times. 1 0 0 0 m