CHEM 104 SBCC NEW EXAM QUESTIONS AND 100%
CORRECT ANSWERS LATEST UPDATE
Identify each of the following as an observation, a hypothesis, an experiment, or a
theory:
A. During your visit to the gym, your trainer records that you ran for 25 minutes on the
treadmill.
B. Scientific studies shows that exercising lowers blood pressure.
C. Your doctor thinks that your weight loss is due to increased exercise.
A. Observation
B. Theory
C. Hypothesis
Classify each of the following as an observation, a hypothesis, an experiment, or a
conclusion: a. Drinking coffee in the evening makes me stay awake. b. If I don't drink
coffee in the afternoon, then I sleep at night. c. I will only drink coffee in the morning a.
Observation b. Hypothesis c. Experiment
Which of the following most closely resembles a scientific theory? a. For a sample of
oxygen gas, if the pressure is increased by 10%, the volume of the gas decreases by
10%. b. The volume of a gas is inversely proportional to its pressure. c. A gas is
composed of small particles that are constantly in motion. d. A sample of a gas has a
mass of 15.8 g and a volume of 10.5 L.
c. A gas is made up of small particles that are constantly in motion.
Which of the following statements best describes the purpose of experiments?
a. Experiments are a means of obtaining the results that a theory predicts.
b. Experiments may be replaced by a mere logical reasoning of known facts.
c. Experiments are designed to obtain results which cannot be explained.
,d. Experiments search for other observable predictions of a theory.
d. Experiments search for other observable predictions of a theory.
Which of the following is an example of an observation?
a. Energy can be converted from one form to another, but the total amount of energy is
always conserved.
b. Gases are composed of molecules in constant random motion.
c. Wood burns producing flame, heat, smoke, and ash.
d. A pure compound will always contain a definite or constant proportion of elements by
mass.
e. None of the above
c. The burning of wood results in a flame, heat, smoke, and ash.
Which of the following is an experiment (E)?
a. Eating salsa gives me heartburn.
b. If I stop eating salsa, my heartburn will go away.
c. I will stop eating salsa for 10 days, then eat salsa twice a day for the next 10 days and
record each time I get heartburn in a journal.
c. I will stop eating salsa for 10 days, then eat salsa twice a day for the next 10 days and
record each time I get heartburn in a journal.
Which of the following statements is NOT a step of the scientific method?
a. make an observation and measurement
b. formulate a hypothesis
c. test hypothesis by experimentation
d. refine hypothesis if necessary
e. All of the above steps are part of the scientific method.
e. All of the above steps are part of the scientific method.
, Which of the following statements about the scientific method is TRUE?
a. The scientific method emphasizes reason as the way to understand the world.
b. The scientific method emphasizes observation and reason as the way to understand
the world.
c. The scientific method emphasizes observation and experimentation as the way to
understand the world.
d. The scientific method emphasizes scientific laws as the way to understand the world.
e. All of the above statements are false.
c. The scientific method emphasizes observation and experimentation as the way to
understand the world.
Which of the following is an example of an observation?
. All matter is composed of small, indestructible particles called atoms.
b. Reactions occur due to the transfer of electrons.
c. When a can of soda pop is opened, a fizzing sound is heard.
d. Flammable objects contain phlogiston.
e. None of the above.
c. When a can of soda pop is opened, a fizzing sound is heard.
Which of the following is a scientific law?
a. Energy may be converted from one form to another, but the total quantity of energy
remains constant.
b. Gases are composed of molecules that are constantly moving in random motion.
c. Wood burning produces flame, heat, smoke and ash.
d. All atoms stop moving at absolute zero temperature.
a. In energy conversion, though forms may change, total energy remains constant.
And the Answers are:
CORRECT ANSWERS LATEST UPDATE
Identify each of the following as an observation, a hypothesis, an experiment, or a
theory:
A. During your visit to the gym, your trainer records that you ran for 25 minutes on the
treadmill.
B. Scientific studies shows that exercising lowers blood pressure.
C. Your doctor thinks that your weight loss is due to increased exercise.
A. Observation
B. Theory
C. Hypothesis
Classify each of the following as an observation, a hypothesis, an experiment, or a
conclusion: a. Drinking coffee in the evening makes me stay awake. b. If I don't drink
coffee in the afternoon, then I sleep at night. c. I will only drink coffee in the morning a.
Observation b. Hypothesis c. Experiment
Which of the following most closely resembles a scientific theory? a. For a sample of
oxygen gas, if the pressure is increased by 10%, the volume of the gas decreases by
10%. b. The volume of a gas is inversely proportional to its pressure. c. A gas is
composed of small particles that are constantly in motion. d. A sample of a gas has a
mass of 15.8 g and a volume of 10.5 L.
c. A gas is made up of small particles that are constantly in motion.
Which of the following statements best describes the purpose of experiments?
a. Experiments are a means of obtaining the results that a theory predicts.
b. Experiments may be replaced by a mere logical reasoning of known facts.
c. Experiments are designed to obtain results which cannot be explained.
,d. Experiments search for other observable predictions of a theory.
d. Experiments search for other observable predictions of a theory.
Which of the following is an example of an observation?
a. Energy can be converted from one form to another, but the total amount of energy is
always conserved.
b. Gases are composed of molecules in constant random motion.
c. Wood burns producing flame, heat, smoke, and ash.
d. A pure compound will always contain a definite or constant proportion of elements by
mass.
e. None of the above
c. The burning of wood results in a flame, heat, smoke, and ash.
Which of the following is an experiment (E)?
a. Eating salsa gives me heartburn.
b. If I stop eating salsa, my heartburn will go away.
c. I will stop eating salsa for 10 days, then eat salsa twice a day for the next 10 days and
record each time I get heartburn in a journal.
c. I will stop eating salsa for 10 days, then eat salsa twice a day for the next 10 days and
record each time I get heartburn in a journal.
Which of the following statements is NOT a step of the scientific method?
a. make an observation and measurement
b. formulate a hypothesis
c. test hypothesis by experimentation
d. refine hypothesis if necessary
e. All of the above steps are part of the scientific method.
e. All of the above steps are part of the scientific method.
, Which of the following statements about the scientific method is TRUE?
a. The scientific method emphasizes reason as the way to understand the world.
b. The scientific method emphasizes observation and reason as the way to understand
the world.
c. The scientific method emphasizes observation and experimentation as the way to
understand the world.
d. The scientific method emphasizes scientific laws as the way to understand the world.
e. All of the above statements are false.
c. The scientific method emphasizes observation and experimentation as the way to
understand the world.
Which of the following is an example of an observation?
. All matter is composed of small, indestructible particles called atoms.
b. Reactions occur due to the transfer of electrons.
c. When a can of soda pop is opened, a fizzing sound is heard.
d. Flammable objects contain phlogiston.
e. None of the above.
c. When a can of soda pop is opened, a fizzing sound is heard.
Which of the following is a scientific law?
a. Energy may be converted from one form to another, but the total quantity of energy
remains constant.
b. Gases are composed of molecules that are constantly moving in random motion.
c. Wood burning produces flame, heat, smoke and ash.
d. All atoms stop moving at absolute zero temperature.
a. In energy conversion, though forms may change, total energy remains constant.
And the Answers are:
