**1 mL = 1 cm**^{3}
**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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