CHEM 101 Ivy Tech Midterm Questions and
Answers (2026) | Real Practice Questions |
Verified Answers | A+
• Which statement accurately describes the purpose of experiments?
a. experiments are designed to produce the results predicted by a theory.
b. experiments can be replaced by a simple, logical reasoning of known
facts.
c. experiments are designed to produce unexplainable results for further
investigation.
d. experiments look for other observable predictions of a theory.
e. none of the above. -✓✓D
• What term best describes a brief statement that summarizes many past
observations and predicts new ones?
a. experiment
b. hypothesis
c. scientific law
d. theory
e. none of the above -✓✓C
• Which statement would NOT be an example of "quantification"?
a. The newest model of that car gets five more miles per gallon than last
year's model.
b. The price of milk went up ten cents per gallon.
c. The average high temperature this July was two degrees higher than last
year's average high temperature.
d. The water in the swimming pool feels colder than it was yesterday.
e. None of the above. -✓✓D
• Who discovered the law of conservation of mass?
a. John Dalton
b. Antoine Lavoisier
,c. Nivaldo Tro
d. John Dalton and Antoine Lavoisier
e. None of the above -✓✓B
• What is the definition of a scientific theory?
a. A brief statement that summarizes past observations and predicts future
ones.
b. A model that explains the underlying reasons for observations and laws.
c. The equivalent of a scientific opinion which others may disagree with.
d. A method of learning that emphasizes reason as the way to understand
the world.
e. None of the above. -✓✓B
• Which of the statements below is NOT part of the scientific method?
a. Observation and measurement
b. Formation of a hypothesis
c. Testing of a hypothesis by experimentation
d. Refinement of a hypothesis as needed
e. All of the above steps are part of the scientific method. -✓✓E
• Which statement 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
• Who discovered the atomic theory?
a. John Dalton
b. Antoine Lavoisier
c. Nivaldo Tro
, d. John Dalton and Antoine Lavoisier
e. None of the above -✓✓A
• Which of the following items does NOT contain chemicals?
a. Drain cleaner
b. Organically grown vegetables
c. Air
d. Insecticides
e. All of the above contain chemicals -✓✓E
• Which of the following is an example of an observation?
a. 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
• Which statement about a hypothesis is TRUE?
a. It is a tentative interpretation of explanation.
b. It has the potential to be proven wrong.
c. It can be tested by experiments.
d. It is part of the scientific method.
e. All of the above statements are true. -✓✓E
• A sample of wood with a mass of 3.0 grams was burned in an open dish.
The ashes weighed 1.2 grams. What happened to the rest of the wood?
a. The remaining mass was destroyed.
b. The remaining 1.8 grams was converted into gaseous compounds.
c. Nothing, the burned wood simply has a mass of 1.2 grams.
d. The remaining 1.8 grams was converted into heat.
e. None of the above. -✓✓B
• Quantification is an important tool in understanding chemistry.
True
Answers (2026) | Real Practice Questions |
Verified Answers | A+
• Which statement accurately describes the purpose of experiments?
a. experiments are designed to produce the results predicted by a theory.
b. experiments can be replaced by a simple, logical reasoning of known
facts.
c. experiments are designed to produce unexplainable results for further
investigation.
d. experiments look for other observable predictions of a theory.
e. none of the above. -✓✓D
• What term best describes a brief statement that summarizes many past
observations and predicts new ones?
a. experiment
b. hypothesis
c. scientific law
d. theory
e. none of the above -✓✓C
• Which statement would NOT be an example of "quantification"?
a. The newest model of that car gets five more miles per gallon than last
year's model.
b. The price of milk went up ten cents per gallon.
c. The average high temperature this July was two degrees higher than last
year's average high temperature.
d. The water in the swimming pool feels colder than it was yesterday.
e. None of the above. -✓✓D
• Who discovered the law of conservation of mass?
a. John Dalton
b. Antoine Lavoisier
,c. Nivaldo Tro
d. John Dalton and Antoine Lavoisier
e. None of the above -✓✓B
• What is the definition of a scientific theory?
a. A brief statement that summarizes past observations and predicts future
ones.
b. A model that explains the underlying reasons for observations and laws.
c. The equivalent of a scientific opinion which others may disagree with.
d. A method of learning that emphasizes reason as the way to understand
the world.
e. None of the above. -✓✓B
• Which of the statements below is NOT part of the scientific method?
a. Observation and measurement
b. Formation of a hypothesis
c. Testing of a hypothesis by experimentation
d. Refinement of a hypothesis as needed
e. All of the above steps are part of the scientific method. -✓✓E
• Which statement 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
• Who discovered the atomic theory?
a. John Dalton
b. Antoine Lavoisier
c. Nivaldo Tro
, d. John Dalton and Antoine Lavoisier
e. None of the above -✓✓A
• Which of the following items does NOT contain chemicals?
a. Drain cleaner
b. Organically grown vegetables
c. Air
d. Insecticides
e. All of the above contain chemicals -✓✓E
• Which of the following is an example of an observation?
a. 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
• Which statement about a hypothesis is TRUE?
a. It is a tentative interpretation of explanation.
b. It has the potential to be proven wrong.
c. It can be tested by experiments.
d. It is part of the scientific method.
e. All of the above statements are true. -✓✓E
• A sample of wood with a mass of 3.0 grams was burned in an open dish.
The ashes weighed 1.2 grams. What happened to the rest of the wood?
a. The remaining mass was destroyed.
b. The remaining 1.8 grams was converted into gaseous compounds.
c. Nothing, the burned wood simply has a mass of 1.2 grams.
d. The remaining 1.8 grams was converted into heat.
e. None of the above. -✓✓B
• Quantification is an important tool in understanding chemistry.
True
