Question 1

Kroto, Smalley and Curl won the Nobel Prize for ________.

Accepted Answer

A)   physics
B)   chemistry
C)   economics
D)   medicineE) All of the above
F) A) and C)

Question 2

The gap between two brain cells is 2.0 × 10-3 nm. How many meters is this?

Accepted Answer

A)   2.0 × 10-12 m
B)   2.0 × 10-6 m
C)   2.0 m
D)   2.0 × 106 m
E)   2.0 × 10-9 mF) All of the above
G) B) and E) A

Question 3

Buckminsterfullerene is a new form of carbon because ________.

Accepted Answer

A)   its atoms are heavier
B)   its atoms are connected differently
C)   it is composed of newly formed carbon atoms
D)   it also contains boronE) None of the above
F) B) and D)

Question 4

Is chemistry the study of the submicroscopic, the microscopic, or the macroscopic, or all three?

Accepted Answer

A)   Submicroscopic because it deals with atoms and molecules, which can't be seen with a microscope.
B)   Microscopic because it pertains to the formation of crystals.
C)   Macroscopic because it deals with powders, liquids, and gases that fill beakers and flasks.
D)   All of the above because most everything is made of atoms and molecules.E) A) and D)
F) C) and D)

Question 5

The diameter of a lead pipe is measured to be 2.40 cm and you are asked to convert to units of inches. Which of the following conversion factors can you use to solve this problem?

Accepted Answer

A)   12 in = 1 ft
B)   100 cm = 1 m
C)   3 ft = 1 yd
D)   two of the above
E)   none of the aboveF) A) and B)
G) C) and D) E

Question 6

Chemistry is the study of ________.

Accepted Answer

A)   matter
B)   transformations of matter
C)   only microscopic phenomena
D)   only macroscopic phenomena
E)   both A and BF) B) and E)
G) All of the above

Question 7

Why is reproducibility such a vital component of science?

Accepted Answer

A)   Reproducibility allows a scientist a second chance to show that his/her initial findings were correct.
B)   Reproducibility is a vital component of science because it provides repeat funding.
C)   An experiment can only be considered valid if other scientists can reproduce the results.
D)   Modern scientific procedures provide built-in assurances so that reproducibility is no longer considered to be a vital component of science.E) A) and C)
F) None of the above

Question 8

Of the three sciences, physics, chemistry, and biology, the most complex is ________.

Accepted Answer

A)   physics because it involves many mathematical equations
B)   chemistry because there are so many possible combinations of atoms
C)   biology because it is based upon both the laws of chemistry and physics
D)   All three of these sciences are equally complexE) A) and C)
F) A) and B)

Question 9

In answer to the question, "When a plant grows, where does the material come from?" the ancient Greek philosopher Aristotle hypothesized by logic that all material came from the soil. Which of the following experimental tests might best prove Aristotle's hypothesis to be correct or incorrect?

Accepted Answer

A)   Stop watering the plant to see if t he mass of the water contributes to the long term growth of the tree.
B)   Grow the tree in a pot and measure the mass of the soil before and after the tree grows to a certain height.
C)   Cover the tree with a black bag.
D)   Aristotle was one of the greatest philosophers of all time; thus no test to any of his hypothesis is necessary.E) A) and C)
F) None of the above

Question 10

How many meters is 15.5 millimeters?

Accepted Answer

A)   0.0155 m
B)   15,500 m
C)   1.55 m
D)   0.0000155 m
E)   0.00155 mF) A) and D)
G) A) and E)

Question 11

The bucky ball led to the discovery of a whole new class of molecules called fullerenes. Fullerenes are useful in ________.

Accepted Answer

A)   nanotechnology
B)   conducting electricity
C)   strengthening materials
D)   all of the aboveE) A) and C)
F) All of the above

Question 12

A scientific hypothesis is a(n)  ________.

Accepted Answer

A)   testable assumption used to explain an observation
B)   restatement of a natural phenomenon
C)   well-tested theory that has been shown to be valid
D)   prediction of what will happen in a certain situation
E)   test designed to limit possible conclusionsF) B) and E)
G) C) and D)

Question 13

Which statement is false?

Accepted Answer

A)   We have the technology to solve world hunger.
B)   We have the technology to solve the world's energy needs.
C)   We have the technology to develop global communication.
D)   We lack the technology to solve most of the Earth's environmental problems.E) A) and B)
F) B) and C)

Question 14

If someone is able to explain an idea to you using small familiar words, what does this say about how well that person understands the idea?

Accepted Answer

A)   Small words simply mask the complexity of the idea revealing how little the person truly understands the concept.
B)   A person who completely understands an idea uses complex words to express complex ideas.
C)   A person who completely understands an idea is capable of explaining it using language that is familiar to both of you.
D)   A person who uses small familiar words to explain an idea is usually hiding a lack of understanding.E) None of the above
F) A) and C)

Question 15

If 1 ft = 12 in, how many feet is 16.0 inches?

Accepted Answer

A)   1.33 ft
B)   1.00 ft
C)   1.50 ft
D)   19.2 ft
E)   1.92 ftF) A) and B)
G) A) and C) A

Question 16

A scientist can confirm that his or her interpretations of the results of an experiment are accurate when ________.

Accepted Answer

A)   the results are reproducible
B)   measurements are taken very carefully
C)   the experiments are done in several different ways, with a variety of conditions
D)   interpretations are always subjective, therefore, none of the aboveE) A) and B)
F) B) and C)

Question 17

What is your weight in kilograms if you weigh 155 pounds? (1 kg = 2.2 lbs)

Accepted Answer

A)   70.5 kg
B)   341 kg
C)   3.41 kg
D)   7.5 kg
E)   34.1 kgF) All of the above
G) A) and E)

Question 18

How long does it take for Earth to revolve around the sun?

Accepted Answer

A)   one day
B)   one week
C)   one month
D)   one yearE) C) and D)
F) All of the above

Question 19

The radius of an oxygen atom is -12m)  A)  0.66 picometer B)    picometers C)  66 picometers D)  10 picometers E)    picometers" class="answers-bank-image d-inline" rel="preload" > meter. What is this radius in pico meters? (1pm = 10-12m)

Accepted Answer

A)   0.66 picometer
B)   -12m)  
A)   0.66 picometer 
B)     picometers 
C)   66 picometers 
D)   10 picometers 
E)     picometers" class="answers-bank-image d-inline" rel="preload" > picometers
C)   66 picometers
D)   10 picometers
E)   -12m)  
A)   0.66 picometer 
B)     picometers 
C)   66 picometers 
D)   10 picometers 
E)     picometers" class="answers-bank-image d-inline" rel="preload" > picometersF) C) and E)
G) B) and C)

Question 20

The most pressing issue facing the world is ________.

Accepted Answer

A)   too many technological advances happening too fast
B)   too many scientific discoveries challenging the ecosystem
C)   a rapid global population increase
D)   a shortage of fossil fuelsE) B) and D)
F) B) and C)

Exam 1: About Science

Kroto, Smalley and Curl won the Nobel Prize for ________.

Correct AnswerverifiedShow Answer

The gap between two brain cells is 2.0 × 10-3 nm. How many meters is this?

Correct AnswerverifiedA

Buckminsterfullerene is a new form of carbon because ________.

Correct AnswerverifiedShow Answer

Is chemistry the study of the submicroscopic, the microscopic, or the macroscopic, or all three?

Correct AnswerverifiedShow Answer

The diameter of a lead pipe is measured to be 2.40 cm and you are asked to convert to units of inches. Which of the following conversion factors can you use to solve this problem?

Correct AnswerverifiedE

Chemistry is the study of ________.

Correct AnswerverifiedShow Answer

Why is reproducibility such a vital component of science?

Correct AnswerverifiedShow Answer

Of the three sciences, physics, chemistry, and biology, the most complex is ________.

Correct AnswerverifiedShow Answer

In answer to the question, "When a plant grows, where does the material come from?" the ancient Greek philosopher Aristotle hypothesized by logic that all material came from the soil. Which of the following experimental tests might best prove Aristotle's hypothesis to be correct or incorrect?

Correct AnswerverifiedShow Answer

How many meters is 15.5 millimeters?

Correct AnswerverifiedShow Answer

The bucky ball led to the discovery of a whole new class of molecules called fullerenes. Fullerenes are useful in ________.

Correct AnswerverifiedShow Answer

A scientific hypothesis is a(n) ________.

Correct AnswerverifiedShow Answer

Which statement is false?

Correct AnswerverifiedShow Answer

If someone is able to explain an idea to you using small familiar words, what does this say about how well that person understands the idea?

Correct AnswerverifiedShow Answer

If 1 ft = 12 in, how many feet is 16.0 inches?

Correct AnswerverifiedA

A scientist can confirm that his or her interpretations of the results of an experiment are accurate when ________.

Correct AnswerverifiedShow Answer

What is your weight in kilograms if you weigh 155 pounds? (1 kg = 2.2 lbs)

Correct AnswerverifiedShow Answer

How long does it take for Earth to revolve around the sun?

Correct AnswerverifiedShow Answer

The radius of an oxygen atom is meter. What is this radius in pico meters? (1pm = 10-12m)

Correct AnswerverifiedShow Answer

The most pressing issue facing the world is ________.

Correct AnswerverifiedShow Answer

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The gap between two brain cells is 2.0 × 10^-3 nm. How many meters is this?

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The radius of an oxygen atom is meter. What is this radius in pico meters? (1pm = 10^-12m)

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