Question 1

By expressing relationships between quantities using mathematics, we can

Accepted Answer

A)  describe the relationships more exactly; words cannot possibly describe a relationship. 
B)  avoid needing to be concerned with units. 
C)  make our statements more compact and make manipulations easier. 
D)  make understanding our ideas more comfortable for everyone, including nonscientists. 
A)  describe the relationships more exactly; words cannot possibly describe a relationship. 
B)  avoid needing to be concerned with units. 
C)  make our statements more compact and make manipulations easier. 
D)  make understanding our ideas more comfortable for everyone, including nonscientists.

Question 2

If you start with the number 3.0 and move the decimal point one unit to the left, you wind up with 0.30. If you move the decimal point a total of five units to the left, the result is the same as that of dividing the original number by

Accepted Answer

A)  10. 
B)  103. 
C)  104. 
D)  105. 
A)  10. 
B)  103. 
C)  104. 
D)  105.

Question 3

If 2 people can knit a total of 12 socks per hour, how many socks can five people knit in an 8 hour work day?

Accepted Answer

A)  200 
B)  240 
C)  120 
D)  36 
A)  200 
B)  240 
C)  120 
D)  36

Question 4

It's well known that lightning strikes tall objects more frequently than short objects. Which of the following explanations of this phenomenon could be checked for validity?

Accepted Answer

A)  Tall objects always contain more structural steel than short objects. 
B)  Tall objects are always pointed at the top. 
C)  Short objects do not attract lightning because they do not conduct electricity. 
D)  All of these choices could be checked for validity. 
A)  Tall objects always contain more structural steel than short objects. 
B)  Tall objects are always pointed at the top. 
C)  Short objects do not attract lightning because they do not conduct electricity. 
D)  All of these choices could be checked for validity.

Question 5

The metric unit of length closest to our English mile unit is the _____________.

Accepted Answer

The answer of The metric unit of length closest to...

Question 6

Scientists generally agree that global warming has resulted mostly from an increase in what substance in the atmosphere?

Accepted Answer

A)  Nitrogen 
B)  Carbon monoxide 
C)  Carbon dioxide 
D)  Sulphur dioxide 
A)  Nitrogen 
B)  Carbon monoxide 
C)  Carbon dioxide 
D)  Sulphur dioxide

Question 7

People sometimes have difficulty distinguishing between scientific explanations of common events and other kinds of explanation (superstition, prejudice, magic, etc.). Which of the following best helps to identify a scientific explanation?

Accepted Answer

A)  The explanation goes against the results of public opinion polls. 
B)  The explanation changes according to the social status of the observer. 
C)  We can test the explanation by comparing its predictions to measurement results. 
D)  The explanation relies on local folklore. 
A)  The explanation goes against the results of public opinion polls. 
B)  The explanation changes according to the social status of the observer. 
C)  We can test the explanation by comparing its predictions to measurement results. 
D)  The explanation relies on local folklore.

Question 8

The key distinction between explanations provided by science and religion is

Accepted Answer

A)  truth. 
B)  simplicity. 
C)  beauty. 
D)  testability. 
A)  truth. 
B)  simplicity. 
C)  beauty. 
D)  testability.

Question 9

Four cars are required to take a group of 16 students on a trip. If there were 36 students to transport _________ cars would be needed.

Accepted Answer

The answer of Four cars are required to take a...

Question 10

Historical measurements of the average surface temperature of the Earth have shown an accelerating pace since

Accepted Answer

A)  1850 
B)  1900 
C)  1940 
D)  1980 
A)  1850 
B)  1900 
C)  1940 
D)  1980

Question 11

Suppose that, as it evaporates in the upper atmosphere, a raindrop's diameter changes in one minute from one millimeter to one micrometer. Its diameter has decreased by a factor of

Accepted Answer

A)  10, i.e., it is one tenth of the initial size. 
B)  100, i.e., it is one hundredth of the initial size. 
C)  1,000 (or, 103), i.e., it is one thousandth of the initial size. 
D)  1,000,000 (or, 106), i.e., it is one millionth of the initial size. 
A)  10, i.e., it is one tenth of the initial size. 
B)  100, i.e., it is one hundredth of the initial size. 
C)  1,000 (or, 103), i.e., it is one thousandth of the initial size. 
D)  1,000,000 (or, 106), i.e., it is one millionth of the initial size.

By expressing relationships between quantities using mathematics, we can

If you start with the number 3.0 and move the decimal point one unit to the left, you wind up with 0.30. If you move the decimal point a total of five units to the left, the result is the same as that of dividing the original number by

If 2 people can knit a total of 12 socks per hour, how many socks can five people knit in an 8 hour work day?

It's well known that lightning strikes tall objects more frequently than short objects. Which of the following explanations of this phenomenon could be checked for validity?

The metric unit of length closest to our English mile unit is the _____________.

Scientists generally agree that global warming has resulted mostly from an increase in what substance in the atmosphere?

People sometimes have difficulty distinguishing between scientific explanations of common events and other kinds of explanation (superstition, prejudice, magic, etc.). Which of the following best helps to identify a scientific explanation?

The key distinction between explanations provided by science and religion is

Four cars are required to take a group of 16 students on a trip. If there were 36 students to transport _________ cars would be needed.

Historical measurements of the average surface temperature of the Earth have shown an accelerating pace since

Suppose that, as it evaporates in the upper atmosphere, a raindrop's diameter changes in one minute from one millimeter to one micrometer. Its diameter has decreased by a factor of

Describing Motion

Falling Objects and Projectile Motion

Newtons Laws: Explaining Motion

Circular Motion, the Planets, and Gravity

Energy and Oscillations

Momentum and Impulse

Rotational Motion of Solid Objects

The Behavior of Fluids

Temperature and Heat

Heat Engines and the Second Law of Thermodynamics

Electrostatic Phenomena

Electric Circuits

Magnets and Electromagnetism

Making Waves

Light Waves and Color

Light and Image Formation

The Structure of the Atom

The Nucleus and Nuclear Energy

Relativity

Beyond Everyday Phenomena

Filters

Exam 1: Physics, the Fundamental Science

By expressing relationships between quantities using mathematics, we can

If you start with the number 3.0 and move the decimal point one unit to the left, you wind up with 0.30. If you move the decimal point a total of five units to the left, the result is the same as that of dividing the original number by

If 2 people can knit a total of 12 socks per hour, how many socks can five people knit in an 8 hour work day?

It's well known that lightning strikes tall objects more frequently than short objects. Which of the following explanations of this phenomenon could be checked for validity?

The metric unit of length closest to our English mile unit is the _____________.

Scientists generally agree that global warming has resulted mostly from an increase in what substance in the atmosphere?

People sometimes have difficulty distinguishing between scientific explanations of common events and other kinds of explanation (superstition, prejudice, magic, etc.). Which of the following best helps to identify a scientific explanation?

The key distinction between explanations provided by science and religion is

Four cars are required to take a group of 16 students on a trip. If there were 36 students to transport _________ cars would be needed.

Historical measurements of the average surface temperature of the Earth have shown an accelerating pace since

Suppose that, as it evaporates in the upper atmosphere, a raindrop's diameter changes in one minute from one millimeter to one micrometer. Its diameter has decreased by a factor of

Describing Motion

Falling Objects and Projectile Motion

Newtons Laws: Explaining Motion

Circular Motion, the Planets, and Gravity

Energy and Oscillations

Momentum and Impulse

Rotational Motion of Solid Objects

The Behavior of Fluids

Temperature and Heat

Heat Engines and the Second Law of Thermodynamics

Electrostatic Phenomena

Electric Circuits

Magnets and Electromagnetism

Making Waves

Light Waves and Color

Light and Image Formation

The Structure of the Atom

The Nucleus and Nuclear Energy

Relativity

Beyond Everyday Phenomena

Filters