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

2. 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?

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

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

5. 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)

6. 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 _______________!

7. . 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

8. Converting metric units
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. g

9. 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 _______________!

10. . 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) g 3
1.0 kg  move the decimal place left __________ times. .
1 mm
1.0 mm

11. 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) 3
1.0 kg  move the decimal place left __________ times. m