Chapter 1: Supplemental Questions
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1 Chapter 1: Supplemental Questions 1. a. How old is a person who has lived 22,630 days in years? (365 days = 1 year) b. How old is a 13-year-old in days? 2. Motion of the earth and moon give the three easiest ways to measure time. Using these two bodies, how could the following be measured? a. 1 day b. 1 month c. 1 year 3. What is a leap year, and how often does it occur? 4. How many days did each of the following calendars have in a year? a. Babylonian b. Egyptian c. Julian d. Gregorian 4 Chapter 1: Supplemental Questions
2 Chapter 2: Supplemental Questions 1. In ancient times, which was more important knowing the correct time (hour and minute) or an accurate calendar? Why? 2. How many heartbeats have occurred in the life of a 20-year-old? Given: average heartbeat is 70 beats/min; 60 min/hr, 24 hr/day, 365 days/year 3. If a person works 8 hours/day, 5 days/week, 52 weeks/year, how many hours does the person work per year? 4. Why is it so important that railroads all operate on the same time? Chapter 2: Supplemental Questions 5
3 Chapter 3: Supplemental Questions 1. Which is heavier a troy pound or a Customary System pound? How many troy ounces are in a troy pound, and where is it used? 2. Which is longer a land mile or a nautical mile? How many feet are in each? 3. A gold chain is said to be 10-carat gold. What does this mean? 4. Write the following as a fraction (reduce): a. 7 carats b. 24 carats c. 12 carats d. 20 carats 5. Convert the following weights to pounds: a. 12 hundredweights b. 3 hundredweights c. 6 stones d. 15 stones 6. Convert the following to tons and long tons: a. 13,450 lbs = tons = long tons b. 1,000 lbs = tons = long tons 7. Were the Roman milemarkers (stone markers) used during the Roman Empire to mark distances actually 1 mile apart according to the British definition of a mile? 8. What was the original definition of a mile? Who changed it, and why? 6 Chapter 3: Supplemental Questions
4 Chapter 1-3: Review Matching: 1. Egyptians 2. Christian Huygens 3. Galileo 4. fathom 5. tilt of the earth s axis 6. knots 7. avoirdupois 8. cesium days 10. 2,240 lbs. 11. Queen Victoria pound 13. lunar 14. Royal Observatory at Greenwich, England 15. Sirius 16. troy ounce second 18. AM and PM 19. Pope Gregory XIII 20. hourglass A. the time for the moon to make 1 revolution around the earth B. seasons are caused by the C. brightest star in the night sky D. a calendar based upon the phases of the moon E. responsible for today s calendar F. invented the hour G. thought a sermon should not last longer than 30 min H. a device for keeping time I. a pendulum exactly inches long takes to swing from one side to another J. built the first clock that measured hours, minutes, and seconds K. ante meridian and post meridian L. most accurate clock in the world M. discovered that the period of a pendulum was determined by its length N. prime meridian of the world, the line of zero longitude O. a system of weights P. 1st standard unit of measure for weight Q. 1 long ton R. 6 feet S. ships and aircraft measure speed in T. the weight of 1 pint of water Short answer: 1. Convert the following to tons and long tons: a. 22,500 lbs. = tons = long tons b. 850 lbs. = tons = long tons 2. Convert the following weights to pounds: a. 13 hundredweights b. 7.5 hundredweights c. 12 stones d. 6.5 stones 3. Write the following as a fraction (reduce): a. 10 carats b. 22 carats c. 14 carats d. 1 carat Chapter 1-3: Review 7
5 4. How many heart beats have occurred in the life of a 13-year-old? Given: average heart beat 70 beats/min; 60 min/hr, 24 hr/day, 365 days/year 5. In ancient times, which was more important knowing the correct time (hour and minute) or an accurate calendar? Why? 6. How many days did each of the following calendars have a year? a. Babylonian b. Egyptian c. Julian d. Gregorian 7. a. How old is a person who has lived 16,060 days? b. How old is a person who has lived 3,650 days? 8 Chapter 1-3: Review
6 Chapter 1-3 Test Name: Date: Score: Matching: (2 pts. each) 75 pts. total 1. 1 second 2. Egyptians 3. Sirius 4. 1 pound 5. Pope Gregory XIII 6. Royal Observatory at Greenwich, England 7. hourglass 8. tilt of the earth s axis 9. fathom 10. Galileo 11. troy ounce days 13. knots 14. cesium 15. 2,240 lbs. A. 6 feet B. ships and aircraft measure speed in C. the weight of 1 pint of water D. 1 long ton E. 1st standard unit of measure for weight F. a system of weights G. prime meridian of the world, the line of zero longitude H. discovered that the period of a pendulum was determined by its length I. most accurate clock in the world J. ante meridian and post meridian K. built the first clock that measured hours, minutes, and seconds L. a pendulum exactly inches long takes to swing from one side to another M. a device for keeping time N. thought a sermon should not last longer than 30 min O. invented the hour P. responsible for today s calendar Q. a calendar based upon the phases of the moon R. brightest star in the night sky S. seasons are caused by the T. the time for the moon to make 1 revolution around the earth 16. AM and PM 17. Queen Victoria 18. lunar 19. Christian Huygens 20. avoirdupois Short answer: (5 pts. each) 1. In ancient times, which was more important knowing the correct time (hour and minute) or an accurate calendar? Why? Chapter 1-3 Test 9
7 2. Convert the following to tons and long tons: a. 32,500 lbs. = tons = long tons b. 1,900 lbs. = tons = long tons 3. Write the following as a fraction (reduce): a. 2 carats b. 6 carats c. 23 carats d. 12 carats 4. Convert the following weights to pounds: a. 2 hundredweights b. 9.8 hundredweights c. 75 stones d. 5 stones 5. Given that average heartbeat is 70 beats/min and there are 365 days/year, answer the following questions: a. How many heartbeats have occurred in the life of a 21-year-old? b. How many heartbeats have occurred in the life of an 88-year-old? 6. a. How old is a person who has lived 32,120 days? b. How old is a person who has lived 1,825 days? 7. How many days did each of the following calendars have a year? a. Babylonian b. Egyptian c. Julian d. Gregorian 10 Chapter 1-3 Test
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