Glencoe Science Level Red

Chapter 2: Measurement

Section 1 Self-Check Quiz-Eng.

1
If three measurements of a church steeple indicate that it is 22.21 m high, these measurements have a high degree of ________.
A)accuracy
B)precision
C)significant digits
D)rounded digits
2
__________ is a way to describe the world with numbers.
A)Unit
B)Multiplier
C)Measurement
D)Digit
3
______ can help you make a rough measurement of an object by guessing.
A)Rounding
B)Measuring
C)Events
D)Estimation
4
_______ describes how closely individual measurements agree with each other.
A)Accuracy
B)Quality
C)Precision
D)Rounding
5
_____ compares a measurement to its real, or actual, value.
A)Precision
B)Accuracy
C)A significant digit
D)Estimation
6
In 1999, the world record holder for the men's 100-m dash was Maurice Greene. His record-setting time was 9.79 s. Which portions of this information represent measurements?
A)world record
B)Maurice Greene
C)track and field
D)the year 1999, 100 m, 9.79 s
7
Maurice Greene's record-setting time in the 100-m dash was 9.79. What was his time rounded to the nearest second?
A)9.8 s
B)10 s
C)9 s
D)9.7 s
8
The number of digits that reflect the precision of a calculation are called ____________.
A)rounded digits
B)significant digits or significant figures
C)decimal places
D)measurements
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