Introduction To Physical Science

Chapter 2: Measurement

Measurement

1
An object's ________ depends only on the amount of matter in the object.
A)weight
B)force
C)mass
D)volume
2
A jet travels at 1500 km/h for 0.5 hours. The distance it travels can be found by multiplying its speed by the amount of time that it travels at that speed. How many significant digits should be in the answer?
A)3
B)1
C)750
D)2
3
The number of digits that reflect the precision of a calculation are called ____________.
A)rounded digits
B)significant digits or significant figures
C)measurements
D)decimal places
4
________ is a measurement of force.
A)Temperature
B)Volume
C)Mass
D)Weight
5
A ______ displays information in rows and columns.
A)graph
B)drawing
C)table
D)photograph
6
A ratio of two different measures is called a _________.
A)volume
B)size
C)weight
D)rate
7
The amount of space an object occupies is its ________.
A)length
B)volume
C)weight
D)mass
8
Why was the International System of Units established?
A)to protect trade secrets
B)to aid in converting currency from one country's currency to another
C)to facilitate competition among companies from different countries
D)to facilitate the sharing of measurement data among people from every country
9
_______ describes how closely individual measurements agree with each other.
A)Quality
B)Rounding
C)Accuracy
D)Precision
10
How many grams are in a milligram?
A)0.000001
B)1,000,000
C)1
D)0.001
11
A good way to illustrate the flow of electricity through a wire is with a __________.
A)line graph
B)photograph
C)circle graph
D)drawing
12
What type of graph is used to show parts of a whole?
A)circle graph
B)table
C)bar graph
D)line graph
13
A 2-L bottle can hold how many cubic centimeters of liquid?
A)1000
B)0.002
C)2
D)2000
14
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)Maurice Greene
B)world record
C)the year 1999, 100 m, 9.79 s
D)track and field
15
A _____ is used to organize and summarize data in a visual way.
A)table
B)graph
C)photograph
D)drawing
16
__________ is a way to describe the world with numbers.
A)Digit
B)Unit
C)Measurement
D)Multiplier
17
_____ compares a measurement to its real, or actual, value.
A)Accuracy
B)Estimation
C)Precision
D)A significant digit
18
What is the SI unit of length?
A)kelvin
B)kilogram
C)meter
D)cubic meter
19
______ can help you make a rough measurement of an object by guessing.
A)Rounding
B)Measuring
C)Events
D)Estimation
20
If three measurements of a church steeple indicate that it is 22.21 m high, these measurements have a high degree of ________.
A)precision
B)accuracy
C)significant digits
D)rounded digits
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