Question 1

The measurement of space in any direction is called ______________.

Accepted Answer

The answer of The measurement of space in any direction...

Question 2

When the measured quantity 45.67 kg is divided by the measured quantity 3.42 L, the answer should have how many significant figures?

Accepted Answer

A)  Three 
B)  One 
C)  Four 
D)  Two 
A)  Three 
B)  One 
C)  Four 
D)  Two

Question 3

A hypothesis is a very tentative explanation of some ______________ of nature.

Accepted Answer

regularity

Question 4

A quantitative observation that is the basis of scientific investigation is a(n)

Accepted Answer

A)  experiment. 
B)  measurement. 
C)  explanation. 
D)  number. 
A)  experiment. 
B)  measurement. 
C)  explanation. 
D)  number.

Question 5

A successfully tested hypothesis may take on the status of a(n)

Accepted Answer

A)  experimental result. 
B)  theory. 
C)  scientific law. 
D)  concept. 
E)  superior hypothesis. 
A)  experimental result. 
B)  theory. 
C)  scientific law. 
D)  concept. 
E)  superior hypothesis.

Question 6

One microgram (μg) contains how many grams?

Accepted Answer

A)  10-3 
B)  10-6 
C)  10-9 
D)  103 
A)  10-3 
B)  10-6 
C)  10-9 
D)  103

Question 7

The meter is defined in terms of the speed of ______________.

Accepted Answer

The answer of The meter is defined in terms of...

Question 8

Which of the following is not a standard metric unit?

Accepted Answer

A)  Kilogram 
B)  Meter 
C)  Second 
D)  Gram 
A)  Kilogram 
B)  Meter 
C)  Second 
D)  Gram

Question 9

The mass of a cubic meter of water is

Accepted Answer

A)  1 metric ton. 
B)  100 kg. 
C)  100 L. 
D)  1 lb. 
A)  1 metric ton. 
B)  100 kg. 
C)  100 L. 
D)  1 lb.

Question 10

The meter is presently defined as

Accepted Answer

A)  one ten-millionth of the diameter of Earth. 
B)  the wavelength of a line in the spectrum of krypton-86. 
C)  the length of a platinum-iridium bar. 
D)  the distance light travels in a vacuum in a very short time. 
A)  one ten-millionth of the diameter of Earth. 
B)  the wavelength of a line in the spectrum of krypton-86. 
C)  the length of a platinum-iridium bar. 
D)  the distance light travels in a vacuum in a very short time.

Question 11

One megawatt contains how many watts?

Accepted Answer

A)  103 
B)  10-6 
C)  106 
D)  10-3 
A)  103 
B)  10-6 
C)  106 
D)  10-3

Question 12

The metric prefix that means one tenth (1/10) is

Accepted Answer

A)  deka 
B)  deci 
C)  centi 
D)  milli 
E)  none of these 
A)  deka 
B)  deci 
C)  centi 
D)  milli 
E)  none of these

Question 13

For the multiplication of 4.769 m times 7.20 m, the result should be reported with how many significant figures?

Accepted Answer

A)  Two 
B)  One 
C)  Three 
D)  Four 
E)  Seven 
A)  Two 
B)  One 
C)  Three 
D)  Four 
E)  Seven

Question 14

A proposed concept or model of nature is tested using the ______________.

Accepted Answer

The answer of A proposed concept or model of nature...

Question 15

The standard unit of mass in the SI is the ______________.

Accepted Answer

The answer of The standard unit of mass in the...

Question 16

When multiplying and/or dividing quantities, you should report

Accepted Answer

A)  the result rounded to the same number of digits as there are in the quantity with the greatest number of significant figures. 
B)  all the digits that show on your calculator. 
C)  only whole numbers. 
D)  the result rounded to the same number of digits as there are in the quantity with the least number of significant figures. 
A)  the result rounded to the same number of digits as there are in the quantity with the greatest number of significant figures. 
B)  all the digits that show on your calculator. 
C)  only whole numbers. 
D)  the result rounded to the same number of digits as there are in the quantity with the least number of significant figures.

Question 17

Which is longer, a meter or a yard?

Accepted Answer

The answer of Which is longer, a meter or a...

Question 18

A derived unit

Accepted Answer

A)  involves only length. 
B)  is a combination of units. 
C)  applies only to density. 
D)  is not found in the metric system. 
A)  involves only length. 
B)  is a combination of units. 
C)  applies only to density. 
D)  is not found in the metric system.

Question 19

The standard unit of time, the second, is now defined with reference to

Accepted Answer

A)  the Earth's revolution period. 
B)  the mean solar day. 
C)  the cesium-133 atom. 
D)  the Earth's rotation period. 
A)  the Earth's revolution period. 
B)  the mean solar day. 
C)  the cesium-133 atom. 
D)  the Earth's rotation period.

Question 20

Which of the following quantities expressed in derived units includes the unit of length?

Accepted Answer

A)  Area 
B)  Volume 
C)  Speed 
D)  Density 
E)  All of these 
A)  Area 
B)  Volume 
C)  Speed 
D)  Density 
E)  All of these

Exam 1: Measurement

The measurement of space in any direction is called ______________.

When the measured quantity 45.67 kg is divided by the measured quantity 3.42 L, the answer should have how many significant figures?

A hypothesis is a very tentative explanation of some ______________ of nature.

A quantitative observation that is the basis of scientific investigation is a(n)

A successfully tested hypothesis may take on the status of a(n)

One microgram (μg) contains how many grams?

The meter is defined in terms of the speed of ______________.

Which of the following is not a standard metric unit?

The mass of a cubic meter of water is

The meter is presently defined as

One megawatt contains how many watts?

The metric prefix that means one tenth (1/10) is

For the multiplication of 4.769 m times 7.20 m, the result should be reported with how many significant figures?

A proposed concept or model of nature is tested using the ______________.

The standard unit of mass in the SI is the ______________.

When multiplying and/or dividing quantities, you should report

Which is longer, a meter or a yard?

A derived unit

The standard unit of time, the second, is now defined with reference to

Which of the following quantities expressed in derived units includes the unit of length?

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