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

Yüklə 32,53 Kb.
 tarix 22.10.2018 ölçüsü 32,53 Kb. 1 mL = 1 cm3 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 Page 2 of 5 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. 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______Dostları ilə paylaş:

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