Chapter 01
1. Which branch of science deals with the materials of the universe and the changes that these materials undergo?
a. biology
b. geology
c. chemistry
d. astronomy
ANSWER: c
POINTS: 1
DIFFICULTY: easy
QUESTION TYPE: Multiple Choice
HAS VARIABLES: False
LEARNING OBJECTIVES: ICAF.ZUMD.25.1.2 - Describe why chemistry is often called “the central science.”
TOPICS: A-head: What is Chemistry?
KEYWORDS: Bloom's: 1
DATE CREATED: 5/29/2025 2:50 AM
DATE MODIFIED: 5/29/2025 2:55 AM
2. Chemistry is often referred to as the ________.
a. important science
b. central science
c. critical science
d. fundamental science
ANSWER: b
POINTS: 1
DIFFICULTY: easy
QUESTION TYPE: Multiple Choice
HAS VARIABLES: False
LEARNING OBJECTIVES: ICAF.ZUMD.25.1.2 - Describe why chemistry is often called “the central science.”
TOPICS: A-head: What is Chemistry?
KEYWORDS: Bloom's: 1
DATE CREATED: 5/29/2025 2:57 AM
DATE MODIFIED: 5/29/2025 2:59 AM
3. A change where one or more substances become different substances is a(n) ______.
a. chemical change
b. physical change
c. atomic change
d. elemental change
ANSWER: a
POINTS: 1
DIFFICULTY: easy
QUESTION TYPE: Multiple Choice
HAS VARIABLES: False
LEARNING OBJECTIVES: ICAF.ZUMD.25.1.2 - Describe why chemistry is often called “the central science.”
TOPICS: A-head: What is Chemistry?
Page 1
,Chapter 01
KEYWORDS: Bloom's: 1
DATE CREATED: 5/29/2025 3:01 AM
DATE MODIFIED: 5/29/2025 3:14 AM
4. Which of the following is a chemical change?
a. sugar burns and blackens
b. ice melts
c. a paper is crumpled up into a ball
d. a paperclip is bent
ANSWER: a
POINTS: 1
DIFFICULTY: easy
QUESTION TYPE: Multiple Choice
HAS VARIABLES: False
LEARNING OBJECTIVES: ICAF.ZUMD.25.1.2 - Describe why chemistry is often called “the central science.”
TOPICS: A-head: What is Chemistry?
KEYWORDS: Bloom's: 2
DATE CREATED: 5/29/2025 3:17 AM
DATE MODIFIED: 5/29/2025 3:25 AM
5. CFCs are responsible for breaking down which molecule in the upper atmosphere?
a. oxygen
b. nitrogen
c. ozone
d. carbon dioxide
ANSWER: c
POINTS: 1
DIFFICULTY: easy
QUESTION TYPE: Multiple Choice
HAS VARIABLES: False
LEARNING OBJECTIVES: ICAF.ZUMD.25.1.1 - Identify at least two real-world examples in which principles from
chemistry have helped move society forward.
TOPICS: A-head: Chemistry: An Introduction
KEYWORDS: Bloom's: 1
DATE CREATED: 5/29/2025 3:21 AM
DATE MODIFIED: 5/29/2025 3:24 AM
6. When solving a problem, you must first recognize the problem and state it clearly. Some information becomes known
or something happens that requires action. This is also known as _____.
a. making an observation
b. formulating a hypothesis
c. performing an experiment
d. interpreting a theory
ANSWER: a
Page 2
,Chapter 01
POINTS: 1
DIFFICULTY: easy
QUESTION TYPE: Multiple Choice
HAS VARIABLES: False
LEARNING OBJECTIVES: ICAF.ZUMD.25. 1.3 - Explain what it means to solve problems using a scientific approach.
TOPICS: A-head: Solving Problems Using a Scientific Approach
KEYWORDS: Bloom's: 1
DATE CREATED: 5/29/2025 3:27 AM
DATE MODIFIED: 5/29/2025 3:38 AM
7. When solving a problem, you must propose possible solutions to the problem or possible explanations for the
observation. This is also known as _____.
a. making an observation
b. formulating a hypothesis
c. performing an experiment
d. interpreting a theory
ANSWER: b
POINTS: 1
DIFFICULTY: easy
QUESTION TYPE: Multiple Choice
HAS VARIABLES: False
LEARNING OBJECTIVES: ICAF.ZUMD.25. 1.3 - Explain what it means to solve problems using a scientific approach.
TOPICS: A-head: Solving Problems Using a Scientific Approach
KEYWORDS: Bloom's: 1
DATE CREATED: 5/29/2025 3:38 AM
DATE MODIFIED: 5/29/2025 3:48 AM
8. When solving a problem, you must decide which of the solutions is the best or decide whether the explanation proposed
is reasonable. To do this, we search our memories for any pertinent information or we seek new information. Searching
for new information is also known as _____.
a. making an observation
b. formulating a hypothesis
c. performing an experiment
d. interpreting a theory
ANSWER: c
POINTS: 1
DIFFICULTY: easy
QUESTION TYPE: Multiple Choice
HAS VARIABLES: False
LEARNING OBJECTIVES: ICAF.ZUMD.25. 1.3 - Explain what it means to solve problems using a scientific approach.
TOPICS: A-head: Solving Problems Using a Scientific Approach
KEYWORDS: Bloom's: 1
DATE CREATED: 5/29/2025 3:48 AM
DATE MODIFIED: 5/29/2025 3:50 AM
Page 3
, Chapter 01
9. The process that lies at the center of scientific inquiry is called _____.
a. chemistry
b. engineering
c. the scientific method
d. discovery
ANSWER: c
POINTS: 1
DIFFICULTY: easy
QUESTION TYPE: Multiple Choice
HAS VARIABLES: False
LEARNING OBJECTIVES: ICAF.ZUMD.25. 1.4 - List the steps in the scientific method.
TOPICS: A-head: The Scientific Method
KEYWORDS: Bloom's: 1
DATE CREATED: 5/29/2025 3:51 AM
DATE MODIFIED: 5/29/2025 3:55 AM
10. A gardener notices that the tomato plants growing in one section of their garden are significantly taller and have
produced more ripe tomatoes compared to the tomato plants in another section of the same garden. Which step of the
scientific method is this?
a. making an observation
b. formulating a hypothesis
c. performing an experiment
d. interpreting a theory
ANSWER: a
POINTS: 1
DIFFICULTY: easy
QUESTION TYPE: Multiple Choice
HAS VARIABLES: False
LEARNING OBJECTIVES: ICAF.ZUMD.25. 1.4 - List the steps in the scientific method.
TOPICS: A-head: The Scientific Method
KEYWORDS: Bloom's: 1
DATE CREATED: 5/29/2025 3:55 AM
DATE MODIFIED: 5/29/2025 3:57 AM
11. A gardener believes that tomato plants grow faster in full sunlight. Which step of the scientific method is this?
a. making an observation
b. formulating a hypothesis
c. performing an experiment
d. interpreting a theory
ANSWER: b
POINTS: 1
DIFFICULTY: easy
QUESTION TYPE: Multiple Choice
HAS VARIABLES: False
Page 4
1. Which branch of science deals with the materials of the universe and the changes that these materials undergo?
a. biology
b. geology
c. chemistry
d. astronomy
ANSWER: c
POINTS: 1
DIFFICULTY: easy
QUESTION TYPE: Multiple Choice
HAS VARIABLES: False
LEARNING OBJECTIVES: ICAF.ZUMD.25.1.2 - Describe why chemistry is often called “the central science.”
TOPICS: A-head: What is Chemistry?
KEYWORDS: Bloom's: 1
DATE CREATED: 5/29/2025 2:50 AM
DATE MODIFIED: 5/29/2025 2:55 AM
2. Chemistry is often referred to as the ________.
a. important science
b. central science
c. critical science
d. fundamental science
ANSWER: b
POINTS: 1
DIFFICULTY: easy
QUESTION TYPE: Multiple Choice
HAS VARIABLES: False
LEARNING OBJECTIVES: ICAF.ZUMD.25.1.2 - Describe why chemistry is often called “the central science.”
TOPICS: A-head: What is Chemistry?
KEYWORDS: Bloom's: 1
DATE CREATED: 5/29/2025 2:57 AM
DATE MODIFIED: 5/29/2025 2:59 AM
3. A change where one or more substances become different substances is a(n) ______.
a. chemical change
b. physical change
c. atomic change
d. elemental change
ANSWER: a
POINTS: 1
DIFFICULTY: easy
QUESTION TYPE: Multiple Choice
HAS VARIABLES: False
LEARNING OBJECTIVES: ICAF.ZUMD.25.1.2 - Describe why chemistry is often called “the central science.”
TOPICS: A-head: What is Chemistry?
Page 1
,Chapter 01
KEYWORDS: Bloom's: 1
DATE CREATED: 5/29/2025 3:01 AM
DATE MODIFIED: 5/29/2025 3:14 AM
4. Which of the following is a chemical change?
a. sugar burns and blackens
b. ice melts
c. a paper is crumpled up into a ball
d. a paperclip is bent
ANSWER: a
POINTS: 1
DIFFICULTY: easy
QUESTION TYPE: Multiple Choice
HAS VARIABLES: False
LEARNING OBJECTIVES: ICAF.ZUMD.25.1.2 - Describe why chemistry is often called “the central science.”
TOPICS: A-head: What is Chemistry?
KEYWORDS: Bloom's: 2
DATE CREATED: 5/29/2025 3:17 AM
DATE MODIFIED: 5/29/2025 3:25 AM
5. CFCs are responsible for breaking down which molecule in the upper atmosphere?
a. oxygen
b. nitrogen
c. ozone
d. carbon dioxide
ANSWER: c
POINTS: 1
DIFFICULTY: easy
QUESTION TYPE: Multiple Choice
HAS VARIABLES: False
LEARNING OBJECTIVES: ICAF.ZUMD.25.1.1 - Identify at least two real-world examples in which principles from
chemistry have helped move society forward.
TOPICS: A-head: Chemistry: An Introduction
KEYWORDS: Bloom's: 1
DATE CREATED: 5/29/2025 3:21 AM
DATE MODIFIED: 5/29/2025 3:24 AM
6. When solving a problem, you must first recognize the problem and state it clearly. Some information becomes known
or something happens that requires action. This is also known as _____.
a. making an observation
b. formulating a hypothesis
c. performing an experiment
d. interpreting a theory
ANSWER: a
Page 2
,Chapter 01
POINTS: 1
DIFFICULTY: easy
QUESTION TYPE: Multiple Choice
HAS VARIABLES: False
LEARNING OBJECTIVES: ICAF.ZUMD.25. 1.3 - Explain what it means to solve problems using a scientific approach.
TOPICS: A-head: Solving Problems Using a Scientific Approach
KEYWORDS: Bloom's: 1
DATE CREATED: 5/29/2025 3:27 AM
DATE MODIFIED: 5/29/2025 3:38 AM
7. When solving a problem, you must propose possible solutions to the problem or possible explanations for the
observation. This is also known as _____.
a. making an observation
b. formulating a hypothesis
c. performing an experiment
d. interpreting a theory
ANSWER: b
POINTS: 1
DIFFICULTY: easy
QUESTION TYPE: Multiple Choice
HAS VARIABLES: False
LEARNING OBJECTIVES: ICAF.ZUMD.25. 1.3 - Explain what it means to solve problems using a scientific approach.
TOPICS: A-head: Solving Problems Using a Scientific Approach
KEYWORDS: Bloom's: 1
DATE CREATED: 5/29/2025 3:38 AM
DATE MODIFIED: 5/29/2025 3:48 AM
8. When solving a problem, you must decide which of the solutions is the best or decide whether the explanation proposed
is reasonable. To do this, we search our memories for any pertinent information or we seek new information. Searching
for new information is also known as _____.
a. making an observation
b. formulating a hypothesis
c. performing an experiment
d. interpreting a theory
ANSWER: c
POINTS: 1
DIFFICULTY: easy
QUESTION TYPE: Multiple Choice
HAS VARIABLES: False
LEARNING OBJECTIVES: ICAF.ZUMD.25. 1.3 - Explain what it means to solve problems using a scientific approach.
TOPICS: A-head: Solving Problems Using a Scientific Approach
KEYWORDS: Bloom's: 1
DATE CREATED: 5/29/2025 3:48 AM
DATE MODIFIED: 5/29/2025 3:50 AM
Page 3
, Chapter 01
9. The process that lies at the center of scientific inquiry is called _____.
a. chemistry
b. engineering
c. the scientific method
d. discovery
ANSWER: c
POINTS: 1
DIFFICULTY: easy
QUESTION TYPE: Multiple Choice
HAS VARIABLES: False
LEARNING OBJECTIVES: ICAF.ZUMD.25. 1.4 - List the steps in the scientific method.
TOPICS: A-head: The Scientific Method
KEYWORDS: Bloom's: 1
DATE CREATED: 5/29/2025 3:51 AM
DATE MODIFIED: 5/29/2025 3:55 AM
10. A gardener notices that the tomato plants growing in one section of their garden are significantly taller and have
produced more ripe tomatoes compared to the tomato plants in another section of the same garden. Which step of the
scientific method is this?
a. making an observation
b. formulating a hypothesis
c. performing an experiment
d. interpreting a theory
ANSWER: a
POINTS: 1
DIFFICULTY: easy
QUESTION TYPE: Multiple Choice
HAS VARIABLES: False
LEARNING OBJECTIVES: ICAF.ZUMD.25. 1.4 - List the steps in the scientific method.
TOPICS: A-head: The Scientific Method
KEYWORDS: Bloom's: 1
DATE CREATED: 5/29/2025 3:55 AM
DATE MODIFIED: 5/29/2025 3:57 AM
11. A gardener believes that tomato plants grow faster in full sunlight. Which step of the scientific method is this?
a. making an observation
b. formulating a hypothesis
c. performing an experiment
d. interpreting a theory
ANSWER: b
POINTS: 1
DIFFICULTY: easy
QUESTION TYPE: Multiple Choice
HAS VARIABLES: False
Page 4
