Unit 0 Lesson 4 Check for Understanding
The Metric System
Directions: Match the base units to the correct unit symbol.
C ( m ) 1. Meter A. g
D (s) 2. Second B. J
E (L) 3. Liter C. m
B (J) 4. Joule D. s
A (g) 5. Gram E. L
Directions: Match the prefix/base units to the correct unit symbol.
D (nm) 1. nanometer A. ms
C (dg) 2. decigram B. cL
A (ms) 3. millisecond C. dg
E (kj) 4. kilojoule D. nm
B ( cL ) 5. centiliter E. kJ
Directions: Express the following measurements in the unit indicated
T . . G . . M . . K H D b d c m . . u . . n . . p
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a) 2m = 20 dm b) 2m = 200cm c) 2 m = 2000mm
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a) 48.5 cg = 485 mg b) 48.5 cg = .485g c) 48000 cg = .48000 kg
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a) 7.5 L = .75dL b) 75 DL = 750000mL c) 0.0075 L = 75cL
Unit Conversions Using Dimensional Analysis
Directions: Make the following conversions using Dimensional Analysis. Show work using the method shown in class!
- Convert 16.7 inches to feet.
- Convert 25 yards to feet. (3 ft =1 yd)
- Convert 90 centuries to years. (100 years = 1 century)
- Convert 84 miles to kilometers. (0.6 miles = 1 km)
- Convert 27 months to fortnights. ( 14 days = 1fortnight)( 30 days= 1 month)
2 sig figs round to 58
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Convert 0.090 miles to inches. (36 inches = 1 yard)(1760 yards =1 mile)
Round it to 5700 because there are only 2 sig figs
- Convert 48,987 minutes to days. 48987 minutes to days 60 minutes in an hour 24 hours in a day
SKIP: 8. Convert 7640 cm3 to liters.(1 cm3 = 1 ml)
MYP ONLY
SKIP
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Convert 55 mi/hr to km/s
55 mi x _______ x _________ =
1 hr mi