Question 1

Indicate whether each of the following statements is true or false.
- The validity of a hypothesis is dependent upon it randomly predicting the outcome of yet untried experiments.

Accepted Answer

A) True 
 B)False  False

Question 2

Explain the difference between:
-A theory and a law

Accepted Answer

A theory is a statement based on extensive experimentation and a law is a statement that has not been disproven before.

Question 3

Indicate whether each statement is a
-Smoking cigarettes is detrimental to your health

Accepted Answer

A)   fact
B)   hypothesis
C)   theory A

Question 4

A researcher studied the relationship between the wavelength and the frequency of light.
Experiment 1: If the wavelength of light was 0.50 meter, the frequency was 6 × 108 hertz.
Experiment 2: If the wavelength of light was 1.0 meter, the frequency was 3 × 108 hertz.
From this data one can generalize that as the wavelength of light decreases

Accepted Answer

A)   the frequency decreases by a proportional amount.
B)   the frequency increases exponentially.
C)   the frequency decreases exponentially.
D)   the frequency increases by a proportional amount.

Question 5

A statement that is obvious to anyone and based on direct experience is called a ________.

Accepted Answer

A)   hypothesis
B)   theory
C)   fact
D)   thesis

Question 6

A formal course in chemistry is essential and fascinating because it helps us ________.

Accepted Answer

A)   understand ourselves
B)   understand our surroundings
C)   understand the world we live in
D)   Answers A, B, and C are all correct

Question 7

The subdiscipline of chemistry that studies fundamental laws and concepts of chemistry is ________.

Accepted Answer

A)   inorganic chemistry
B)   organic chemistry
C)   physical chemistry
D)   general chemistry

Question 8

Indicate whether each of the following statements represents a fact, a scientific law, or a hypothesis.
-The reddish-brown gas occupied a volume of 25.9 liters.

Accepted Answer

A)   fact
B)   hypothesis
C)   scientific law

Question 9

Identify whether each of the following statements is a theory, hypothesis, observation or law.
-My watch is no longer keeping correct time so my watch battery must be dead.

Accepted Answer

A)   hypothesis
B)   theory
C)   law
D)   observation

Question 10

Which of the following subdisciplines of science is not a physical science?

Accepted Answer

A)   chemistry
B)   herpetology
C)   physics
D)   astronomy

Question 11

A theory is ________.

Accepted Answer

A)   a law that is yet to be tested and validated
B)   a law that has been "approved" by at least 3 international scientific organizations
C)   a hypothesis that has been tested and validated over a long period of time
D)   a hypothesis which is yet to be tested and validated

Question 12

When the scientific method is applied to a problem, a set of procedures is followed to acquire knowledge and explain phenomena. The procedural steps associated with the scientific method normally occur in the order ________.

Accepted Answer

A)   experiment, fact, scientific law, hypothesis, theory
B)   hypothesis, theory, experiment, fact, scientific law
C)   theory, hypothesis, fact, experiment, scientific law
D)   fact, hypothesis, experiment, theory, scientific law

Question 13

Classify the following as representing
-The vial contains a brown liquid.

Accepted Answer

A)   quantitative
B)   qualitative

Question 14

Match the definitions below with the terms at the bottom.
-________ Tentative model or picture that offers an explanation for the behavior of a system

Accepted Answer

The answer of Match the definitions below with the terms...

Question 15

Indicate whether each of the following statements represents
-The gas in the container was reddish-brown in color.

Accepted Answer

A)   quantitative
B)   qualitative

Question 16

A set of procedures used to acquire knowledge and explain phenomena is ________.

Accepted Answer

A)   collectively known as the field of science
B)   referred to as technology
C)   known as the scientific method
D)   required to establish scientific law

Question 17

Identify whether each of the following statements is a theory, hypothesis, observation or law.
-My brother wears green a lot.

Accepted Answer

A)   hypothesis
B)   theory
C)   law
D)   observation

Question 18

Classify the following as representing
-The package of peanuts contains about 100 peanuts

Accepted Answer

A)   quantitative
B)   qualitative

Question 19

A valid observation about some natural phenomenon is called ________.

Accepted Answer

A)   a hypothesis
B)   a fact
C)   an experiment
D)   a scientific law

Question 20

Which procedural step comes first in the scientific method?

Accepted Answer

A)   Identifying the problem and planning procedures to obtain information
B)   Testing proposed explanations through experimentation
C)   Collecting data through observation and experimentation
D)   Analyzing and organizing collected data in terms of generalized statements

Exam 1: The Science of Chemistry

Indicate whether each of the following statements is true or false. - The validity of a hypothesis is dependent upon it randomly predicting the outcome of yet untried experiments.

Explain the difference between: -A theory and a law

Indicate whether each statement is a -Smoking cigarettes is detrimental to your health

A statement that is obvious to anyone and based on direct experience is called a ________.

A formal course in chemistry is essential and fascinating because it helps us ________.

The subdiscipline of chemistry that studies fundamental laws and concepts of chemistry is ________.

Indicate whether each of the following statements represents a fact, a scientific law, or a hypothesis. -The reddish-brown gas occupied a volume of 25.9 liters.

Identify whether each of the following statements is a theory, hypothesis, observation or law. -My watch is no longer keeping correct time so my watch battery must be dead.

Which of the following subdisciplines of science is not a physical science?

A theory is ________.

When the scientific method is applied to a problem, a set of procedures is followed to acquire knowledge and explain phenomena. The procedural steps associated with the scientific method normally occur in the order ________.

Classify the following as representing -The vial contains a brown liquid.

Match the definitions below with the terms at the bottom. -________ Tentative model or picture that offers an explanation for the behavior of a system

Indicate whether each of the following statements represents -The gas in the container was reddish-brown in color.

A set of procedures used to acquire knowledge and explain phenomena is ________.

Identify whether each of the following statements is a theory, hypothesis, observation or law. -My brother wears green a lot.

Classify the following as representing -The package of peanuts contains about 100 peanuts

A valid observation about some natural phenomenon is called ________.

Which procedural step comes first in the scientific method?