Question 1

Which example undergoes continued testing and refinement so that we know more about how something happens in nature?

Accepted Answer

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

Question 2

_____ is often referred to as the "central science" because it connects with every other field of science.

Accepted Answer

A)  Chemistry 
B)  Biology/medicine 
C)  Physics 
D)  Geology 
A)  Chemistry 
B)  Biology/medicine 
C)  Physics 
D)  Geology A

Question 3

After testing and refining ideas, scientists often develop a model that explains why things behave as they do and predicts what will happen in the future. This type of model is BEST referred to as a:

Accepted Answer

A)  theory. 
B)  scientific law. 
C)  hypothesis. 
D)  postulate. 
A)  theory. 
B)  scientific law. 
C)  hypothesis. 
D)  postulate. A

Question 4

Which weight has the GREATEST potential energy?

Accepted Answer

A)  a 2-pound weight resting on the floor 
B)  a 2-pound weight on a shelf 3 feet above the ground 
C)  a 2-pound weight on the roof of a house 
D)  a 2-pound weight at the top of a building 
A)  a 2-pound weight resting on the floor 
B)  a 2-pound weight on a shelf 3 feet above the ground 
C)  a 2-pound weight on the roof of a house 
D)  a 2-pound weight at the top of a building

Question 5

Which task is NOT impacted by chemistry?

Accepted Answer

A)  painting a picture on a canvas 
B)  playing a violin 
C)  fertilizing a field 
D)  All of these tasks are impacted by chemistry. 
E)  None of these tasks is impacted by chemistry. 
A)  painting a picture on a canvas 
B)  playing a violin 
C)  fertilizing a field 
D)  All of these tasks are impacted by chemistry. 
E)  None of these tasks is impacted by chemistry.

Question 6

A chemical change always involves a change in the _____ of matter.

Accepted Answer

A)  state 
B)  composition 
C)  volume 
D)  temperature 
A)  state 
B)  composition 
C)  volume 
D)  temperature

Question 7

Which picture BEST represents a pure element?

Accepted Answer

A)  a. 
B)  b. 
C)  c. 
D)  All of these pictures represent a pure element. 
A)  a. 
B)  b. 
C)  c. 
D)  All of these pictures represent a pure element.

Question 8

Which picture BEST represents a mixture of pure elements?

Accepted Answer

A)  a. 
B)  b. 
C)  c. 
D)  All of these pictures represent a mixture of pure elements. 
A)  a. 
B)  b. 
C)  c. 
D)  All of these pictures represent a mixture of pure elements.

Question 9

By definition, which substance CANNOT be broken down into simpler substances?

Accepted Answer

A)  gas 
B)  element 
C)  compound 
D)  liquid 
A)  gas 
B)  element 
C)  compound 
D)  liquid

Question 10

Chemistry that is essential to the understanding of the human body is found within the field of:

Accepted Answer

A)  physics. 
B)  biology/medicine. 
C)  materials. 
D)  geology. 
A)  physics. 
B)  biology/medicine. 
C)  materials. 
D)  geology.

Question 11

Which picture BEST represents a compound?

Accepted Answer

A)  a. 
B)  b. 
C)  c. 
D)  All of these pictures represent a compound. 
A)  a. 
B)  b. 
C)  c. 
D)  All of these pictures represent a compound.

Question 12

Energy harvested by plants from sunlight allows for the storage of glucose in their cells. When plants do this, their _____ increases.

Accepted Answer

A)  potential energy 
B)  kinetic energy 
C)  heat energy 
D)  force 
A)  potential energy 
B)  kinetic energy 
C)  heat energy 
D)  force

Question 13

Which statement is NOT accurate?

Accepted Answer

A)  Scientific laws describe observations that are true in widely varying circumstances. 
B)  Theories describe how or why something happens. 
C)  Theories one day become scientific laws. 
D)  Theories are supported by scientific evidence. 
A)  Scientific laws describe observations that are true in widely varying circumstances. 
B)  Theories describe how or why something happens. 
C)  Theories one day become scientific laws. 
D)  Theories are supported by scientific evidence.

Question 14

A highly reactive chemical compound reacts with another compound and produces products that are more stable than the initial reactants. During this chemical reaction, heat was released. According to this information, this reaction was:

Accepted Answer

A)  exothermic. 
B)  endothermic. 
C)  both exothermic and endothermic. 
D)  unable to be determined as either exothermic or endothermic. 
A)  exothermic. 
B)  endothermic. 
C)  both exothermic and endothermic. 
D)  unable to be determined as either exothermic or endothermic.

Question 15

A mixture of iron, salt, and sand can be separated using a magnet, water, a filter, and a hot plate. This separation:

Accepted Answer

A)  involves both chemical and physical changes. 
B)  involves only chemical changes or processes. 
C)  involves only physical changes or processes. 
D)  cannot be done with the materials listed. 
A)  involves both chemical and physical changes. 
B)  involves only chemical changes or processes. 
C)  involves only physical changes or processes. 
D)  cannot be done with the materials listed.

Question 16

Chemistry that is essential to the understanding of plastics and steel is found within the field of:

Accepted Answer

A)  physics. 
B)  biology/medicine. 
C)  materials. 
D)  geology. 
A)  physics. 
B)  biology/medicine. 
C)  materials. 
D)  geology.

Question 17

Which phase of matter has a definite volume but no definite shape?

Accepted Answer

A)  plasma 
B)  solid 
C)  liquid 
D)  gas 
A)  plasma 
B)  solid 
C)  liquid 
D)  gas

Question 18

Which task is NOT impacted by chemistry?

Accepted Answer

A)  improving water quality 
B)  harvesting solar energy 
C)  synthesizing new medicines 
D)  All of these tasks are impacted by chemistry. 
E)  None of these tasks is impacted by chemistry. 
A)  improving water quality 
B)  harvesting solar energy 
C)  synthesizing new medicines 
D)  All of these tasks are impacted by chemistry. 
E)  None of these tasks is impacted by chemistry.

Question 19

Chemistry that is essential to the understanding of energy and motion is found within the field of:

Accepted Answer

A)  physics. 
B)  biology/medicine. 
C)  materials. 
D)  geology. 
A)  physics. 
B)  biology/medicine. 
C)  materials. 
D)  geology.

Question 20

By definition, which substance can be broken down into simpler substances?

Accepted Answer

A)  gas 
B)  element 
C)  compound 
D)  liquid 
A)  gas 
B)  element 
C)  compound 
D)  liquid

Which example undergoes continued testing and refinement so that we know more about how something happens in nature?

_____ is often referred to as the "central science" because it connects with every other field of science.

After testing and refining ideas, scientists often develop a model that explains why things behave as they do and predicts what will happen in the future. This type of model is BEST referred to as a:

Which weight has the GREATEST potential energy?

Which task is NOT impacted by chemistry?

A chemical change always involves a change in the _____ of matter.

Which picture BEST represents a pure element?

Which picture BEST represents a mixture of pure elements?

By definition, which substance CANNOT be broken down into simpler substances?

Chemistry that is essential to the understanding of the human body is found within the field of:

Which picture BEST represents a compound?

Energy harvested by plants from sunlight allows for the storage of glucose in their cells. When plants do this, their _____ increases.

Which statement is NOT accurate?

A highly reactive chemical compound reacts with another compound and produces products that are more stable than the initial reactants. During this chemical reaction, heat was released. According to this information, this reaction was:

A mixture of iron, salt, and sand can be separated using a magnet, water, a filter, and a hot plate. This separation:

Chemistry that is essential to the understanding of plastics and steel is found within the field of:

Which phase of matter has a definite volume but no definite shape?

Which task is NOT impacted by chemistry?

Chemistry that is essential to the understanding of energy and motion is found within the field of:

By definition, which substance can be broken down into simpler substances?

Measurement

Atoms

Light and Electronic Structure

Chemical Bonds Compounds

Chemical Reactions

Mass Stoichiometry

Energy

Covalent Bonding and Molecules

Solids, Liquids, and Gases

Solutions

Acids Bases

Reaction Rates Equilibrium

Oxidation-Reduction Reactions

Organic Chemistry and Biomolecules

Nuclear Chemistry

Filters

Exam 1: Foundations

Which example undergoes continued testing and refinement so that we know more about how something happens in nature?

_____ is often referred to as the "central science" because it connects with every other field of science.

After testing and refining ideas, scientists often develop a model that explains why things behave as they do and predicts what will happen in the future. This type of model is BEST referred to as a:

Which weight has the GREATEST potential energy?

Which task is NOT impacted by chemistry?

A chemical change always involves a change in the _____ of matter.

Which picture BEST represents a pure element?

Which picture BEST represents a mixture of pure elements?

By definition, which substance CANNOT be broken down into simpler substances?

Chemistry that is essential to the understanding of the human body is found within the field of:

Which picture BEST represents a compound?

Energy harvested by plants from sunlight allows for the storage of glucose in their cells. When plants do this, their _____ increases.

Which statement is NOT accurate?

A highly reactive chemical compound reacts with another compound and produces products that are more stable than the initial reactants. During this chemical reaction, heat was released. According to this information, this reaction was:

A mixture of iron, salt, and sand can be separated using a magnet, water, a filter, and a hot plate. This separation:

Chemistry that is essential to the understanding of plastics and steel is found within the field of:

Which phase of matter has a definite volume but no definite shape?

Which task is NOT impacted by chemistry?

Chemistry that is essential to the understanding of energy and motion is found within the field of:

By definition, which substance can be broken down into simpler substances?

Measurement

Atoms

Light and Electronic Structure

Chemical Bonds Compounds

Chemical Reactions

Mass Stoichiometry

Energy

Covalent Bonding and Molecules

Solids, Liquids, and Gases

Solutions

Acids Bases

Reaction Rates Equilibrium

Oxidation-Reduction Reactions

Organic Chemistry and Biomolecules

Nuclear Chemistry

Filters