Words of Wisdom:

"if you hold the ladder for the thief you are just as bad as he is" - Heto

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  • Date Submitted: 11/20/2012 11:46 AM
  • Flesch-Kincaid Score: 91.5 
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Page 1

Key Terms

1. Which of the following terms is a metric unit of length?
a. centimeter
b. gram
c. milliliter
d. second
e. none of the above

2. Which of the following terms is a metric unit of mass?
a. centimeter
b. gram
c. milliliter
d. second
e. none of the above

3. What is the general term for any device that records a measurement?
a. calculator
b. instrument
c. reciprocal
d. technology
e. none of the above

4. What is the term for the amount of substance measured by a laboratory balance?
a. length
b. mass
c. volume
d. weight
e. none of the above

5. What is the term for a numerical value with units that expresses a mass, length, or volume?
a. instrument
b. measurement
c. quantity
d. reciprocal
e. none of the above

6. Which of the following terms is a metric unit of volume?
a. centimeter
b. gram
c. milliliter
d. second
e. none of the above


Page 2

7. What is the term for the digits obtained from an instrumental measurement?
a. certain digits
b. exact digits
c. nonsignificant digits
d. significant digits
e. none of the above

8. What is the term for the inexactness of an instrumental measurement?
a. accuracy
b. error
c. precision
d. uncertainty
e. none of the above

9. What is the term for the gravitational force of attraction between an object and the Earth?
a. length
b. mass
c. volume
d. weight
e. none of the above

Uncertainty in Measurements

10. Which of the following quantities can be measured exactly?
a. length
b. mass
c. volume
d. time
e. none of the above

11. Which of the following metric rulers has the least uncertainty?
a. Ruler A, ñ 1 cm
b. Ruler B, ñ 0.1 cm
c. Ruler C, ñ 0.5 cm
d. Ruler D, ñ 0.05 cm
e. Ruler E, ñ 5 cm

12. Which of the following balances has the least uncertainty?
a. analytical balance, ñ 0.0001 g
b. beam-type balance, ñ...

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