Metric System Review Answers

Metric System Review

Directions: Please don't peek at the answers unless your completely done with the practice test. If you have any concerns about your answers please see me as soon as possible.

Definitions              Instruments             Base Units

Volume                  B                           1 Down - Liter

Mass                     A                           2 Down - Gram

Length                  C                           3 Across - Meter

Conversions (Think: Kathy Has Dirty Underwear Don't Check Mine)

900 mg = .09 dkg (Move decimal 5 spots to the left)

2.3 kg = 2,300 g (Move decimal 3 spots to the right)

.017 km = 1700 cm (Move decimal 5 spots to the right)

40 dm = .04 hm (Move decimal 3 spots to the left)

30 L = 30,000 ml (Move decimal 3 spots to the right)

.001 dL = .0000001 kL (Move decimal 4 spots to the left)

Circle the unit you would use to measure each of the following.

1. Capacity of a tank - liter

2. Weight of an ant - milligram

3. Length of a book = centimeter

4. Mass of a CD = gram

Choose a reasonable estimate

5. Length of a calculator - 18 cm

6. Mass of a puppy - 5 kg

7. Thickness of a paperback book - 50 mm

8. Capacity of a bottle of shampoo - 750 ml

Length of the 1st Ruler - 9 cm and 90 mm

Length of the 2nd Ruler - 8.5 cm and 85 mm

Length of the 3rd ruler - 9.2 cm and 92 mm

Read the Triple Beam Balances and record the mass in grams

1. 434.5 g

2. 266.3 g

3. 467.5 g

4. 400;50;1;.7

5. 500;80;9;.3

Read the Meniscus Line on these graduate cylinders 

1. 12 ml

2. 32 ml

3. 1.6 ml

4. 18 ml

5. Mensicus is located one line below 15 ml

6. Mensicus is located one line above 20 ml

7. Mesiscus located four lines below 8 ml

8. Mensicus located 2.5 lines below 15 ml

Measure the line segments

9. 7 cm

10. 40 mm.

11. (.1 m)

Volume of the Metal - 9 ml (Water Displacement Method)

Volume of Box - 17.76 cm3 (Answers may be slightly off but still correct)

Metric System Challenge

1. Triple Beam Balance

2. Meter

3. Volume

4. Gram

5. Graduated Cylinder

6. Density

7. centimeters

8. Float

9. Liter

10. Mass

11. Weight

12. Celcius

13. Milliliters

14. Meniscus

15. Kilogram

16. Meterstick

17. cubic centimeter (cm3)

18. Length x Width x Height

Puzzle Answer: She Couldn't Control Her Pupils !

Density

1. Mass / Volume (Remember the "Heart Shape")

2. Triple Beam Balance

3. grams

4. Graduated Cylinder (Irregular) / Ruler (LxWxH)

5. liters

6. More (Water = 1.0 g/ml); Sink

7. 15g / 10 cm3 = 1.5 g/cm3 (Sink)

8. 2.5 g / 1.7 ml = 1.47 g/ml (Sink)

9. 2.5g / 7.5 cm3 = .33 g/cm3 (Float)

10. 2.9g / 1.8 cm3 = 1.6 g/cm3 (Sink)

11. C = (.95 g/cm3); The ball is very close to suspending (Neutral bouyant) but is still slightly floating.

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