ML = cm3 Answers: a b 004 c 8000 d 009 e 002

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1 mL = 1 cm3

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Answers: a)0.5 b) 0.004 c) 8000 d) 0.009 e)0.002

f) 6000 g) 0.04 h) 0.012 i)0.0065 j) 7.02 k) 30 l) 603.5 m) 32 n) 0.038

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2. One cereal bar has a mass of 37 g. What is the mass of 6 cereal bars? Is that more than or less than 1kg? Explain your answer.

222 g less that halkf of a kg

3. Wanda needs to move 110 kg of rocks. She can carry l0 hg each trip. How many trips must she make? Explain your answer.

110 10 hg =1kg

4. Dr. O is playing in her garden again She needs 1 kg of potting soil for her plants. She has 750 g. How much more does she need? Explain your answer.

250 g

5. Weather satellites orbit Earth at an altitude of 1,400,000 meters. What is this altitude in kilometers. 1400 km

6. Which unit would you use to measure the capacity? Write milliliter or liter.

a) a bucket __liter________

b) a thimble ______ milliter____

c) a water storage tank __ liter_____

d) a carton of juice ________ liter___
7. Circle the more reasonable measure:

a) length of an ant 5mm or 5cm

b) length of an automobile 5 m or 50 m

c) distance from NY to LA 450 km or 4,500 km

d) height of a dining table 75 mm or 75 cm
8. Will a tablecloth that is 155 cm long cover a table that is 1.6 m long? Explain your answer

No 0.05 meters to short

9. A dollar bill is 15.6 cm long. If 200 dollar bills were laid end to end, how many meters long would the line be?

36.2 meters 3620 cm

10. The ceiling in Jan’s living room is 2.5 m high. She has a hanging lamp that hangs down 41 cm. Her husband is exactly 2 m tall. Will he hit his head on the hanging lamp? Why or why not?

No 0.09 meters or 9 cm is between him and the light

Using SI Units

Match the terms in Column II with the descriptions in Column I. Write the letters of the correct term in

the blank on the left.

Column I Column II

___K__ 1. distance between two points a. time

___E_ _ 2. SI unit of length b. volume

____M_ 3. tool used to measure length c. mass

___G__ 4. units obtained by combining other units d. density

__B___ 5. amount of space occupied by an object e. meter

__H___ 6. unit used to express volume f. kilogram

_f____ 7. SI unit of mass g. derived

__c___ 8. amount of matter in an object h. liter

_d____ 9. mass per unit of volume I. second

___o__ 10. temperature scale of most laboratory thermometers j. Kelvin

__l___ 11. instrument used to measure mass k. length

_a____ 12. interval between two events 1. balance

___j__ 13. SI unit of temperature m. meter stick

__i___ 14. SI unit of time n. thermometer

_n____ 15. instrument used to measure temperature o. Celsius
Circle the two terms in each group that are related. Explain how the terms are related.

16. Celsius degree, mass, Kelvin ______related to temp _____________________

17. balance, second, mass ______________________both are dealing with mass_____
18. kilogram, liter, cubic centimeter ___________________both volume
19. time, second, distance _____________________________both time___________
20. decimeter, kilometer, Kelvin ____________________both distance__

Standards of Measurement

Some prefixes used in SI are listed in the table below. Use the information in the table to answer

questions 1—5.

SI Prefix Meaning

kilo- thousand (1000)

hecto- hundred (100)

deka- ten (10)

deci- tenth (0.10)

centi- hundredth (0.01)

milli- thousandth (0.001)
1. How many meters are in one kilometer? ___1000_______
2. What part of a liter is one milliliter? _____1/1000 0.001_____
3. How many grams are in two dekagrams? _____20_____

4. If one gram of water has a volume of one milliliter, what would the mass of one liter of water

be in kilograms?____1000 grams = 1 kg______
5. What part of a meter is a decimeter? _____1/10 0.1_____
6-11 In the blank at the left, write the term that correctly completes each statement. Choose from the terms

listed below.

Metric standard prefixes

SI ten tenth
6. An exact quantity that people agree to use for comparison is a ___ standard ___________ .

7. The system of measurement used worldwide in science is _________SI______ .

8. SI is based on units of __________tens_____ .

9. The first system of measurement that was based on units of ten was the _____metric__________ system.

10. In SI, ________prefixes_______ are used with the names of the base unit to indicate the multiple of ten that is being used with the base unit.

11. The prefix deci- means ______tenth_________ .

Standards of Measurement

Fill in the missing information in the table below.

SI prefixes and their meanings

Prefix Meaning

0.001 mili

0.01 centi
deci- 0.1
10 deka
hecto- 100
1000 kilo
Circle the larger unit in each pair of units.

1. millimeter, kilometer 4. centimeter, millimeter

2. decimeter, dekameter 5. hectogram, kilogram

3. hectogram, decigram

6. In SI, the base unit of length is the meter. Use this information to arrange the following units of

measurement in the correct order from smallest to largest. Write the number 1 (smallest) through 7

-(largest) in the spaces provided.

___7__ a. kilometer __6___ e. hectometer

__2___ b. centimeter ___1__ f. millimeter

__4___ c. meter ___3__ g. decimeter ___5__ d. dekameter

Use your knowledge of the prefixes used in SI to answer the following questions in the spaces provided.

7. One part of the Olympic games involves an activity called the decathlon. How many events do you

think make up the decathlon? ________10_____________________________________________

8. How many years make up a decade? ___________________________________10____________

9. How many years make up a century? ___________________________________100___________

10. What part of a second do you think a millisecond is? ____________________________1/1000______
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