Objective 1 Collecting Data Measurements
Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.
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1. Using the art above, room temperature is approximately 20°C. What is room temperature on the Kelvin scale?
a. −253 K
c. 68 K
b. 0 K
d. 293 K
2. Using the art above, human body temperature is approximately 310 K. What is human body temperature in
C°?
a. 0°C
c. 37°C
b. 20°C
d. 98.6°C
3. Using the art above, which of the following statements is true?
a. A Celsius degree is larger than a unit on the Kelvin scale.
b. A Celsius degree is smaller than a unit on the Kelvin scale.
c. A Celsius degree is the same size as a unit on the Kelvin scale.
d. Zero on the Celsius scale is the same as zero on the Kelvin scale.
4. What data will a student need to collect to determine the speed of a toy car?
a. distance only
c. mass, distance, time
b. distance, time
d. speed only
5. What is the mass of the object being measured in the figure?
a. 39.100 g
b. 100.39 g
c. 111.39 g
d. 139 g
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6. An apple has a mass of 167 g. A store worker found the mass of the apple to be 167 g, and 166 g on different
balances. Which of the following statements is true?
a. The measurements were accurate but not precise.
b. The measurements were precise but not accurate.
c. The measurements were both precise and accurate.
d. The measurements were neither accurate nor precise.
7. A student needs to measure exactly 42.5 mL of an acid. Which of the following pieces of laboratory
equipment would it be best for her to use?
a. 10-mL graduated cylinder
c. 50-mL beaker
b. 50-mL graduated cylinder
d. 250-mL flask
8. What is the mass of the object being measured in the figure?
a. 47.52 g
c. 407.52 g
b. 147.52 g
d. 527.40 g
9. The surface of liquids in a glass cylinder is always curved. This curved surface is called a meniscus. When
reading a volume of a liquid, read the bottom of the meniscus. What is the most precise volume of the liquid
shown in the figure?
a. 19.4 mL
c. 19.57 mL
b. 19.42 mL
d. 20.58 mL
____ 10. A student measured the length of a piece of string that was 64.34 cm long. Her measurements were 67.02 cm,
67.07 cm, 67.05 cm, and 67.04 cm. Which of the following statements is true?
a. The measurements were accurate but not precise.
b. The measurements were precise but not accurate.
c. The measurements were both precise and accurate.
d. The measurements were neither accurate nor precise.
____ 11. For measurements that are not close to the actual value, which of the following statements is NOT a likely
source of error?
a. The calibrations on the meterstick were read incorrectly.
b. The end of the string was not placed at the end of the meterstick.
c. The meterstick itself was not accurately calibrated.
d. The string stretched when it was being measured.
Biology 2B TAKS
Answer Section
MULTIPLE CHOICE
1.
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11.
D
C
C
B
B
C
B
A
B
B
C