,Name: Class: Date:
Chapter 1 Matter and Measurement
1. Which of the following career fields are connected to chemistry?
a. biology and medicine
b. physics and engineering
c. agriculture and food science
d. environmental, earth, and space science
e. all of the above
ANSWER: e
2. A scientific law describes an observation is widely considered true. What else is TRUE of a scientific law?
a. It will tell us why the observation is true.
b. It can be used to make predictions.
c. It is a theory that has been proven true.
d. All of the above are true.
e. None of the above are true.
ANSWER: b
3. Which of the following is NOT true about a theory?
a. A theory can be considered a way of thinking about a particular topic.
b. A theory is an idea that is supported by experimental evidence.
c. A theory is part of the scientific method.
d. A theory can change based on new evidence.
e. A theory is an idea that is completely unproven.
ANSWER: e
4. A hypothesis is
a. a proven fact.
b. an experimental procedure.
c. a tentative explanation that has not been tested.
d. an idea that has been tested and refined.
e. a statement that describes observations that are true in widely varying circumstances.
ANSWER: c
5. According to the scientific method, what is the next step after developing a hypothesis?
a. draw conclusions
b. devise and conduct experiments
c. develop a theory
d. share results with other scientists
e. develop another hypothesis
ANSWER: b
6. Which of the following is TRUE about the scientific method?
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,Name: Class: Date:
Chapter 1 Matter and Measurement
a. First, observations are made, then new ideas are formulated, and it ends with testing.
b. The first step is to make conclusions.
c. It is a cyclic process.
d. The last step is to run experiments.
e. None of the above.
ANSWER: c
7. Chemistry is often called the central science. Why?
ANSWER: Chemistry is used in many other scientific fields such as biology, physics, agriculture, and
engineering.
8. What is chemistry?
ANSWER: Chemistry is the study of what substances are made of and how they behave.
9. How do you interact with chemistry in your daily life?
ANSWER: Chemistry is everywhere. Everything you do is impacted by chemistry!
10. Briefly explain the scientific method.
ANSWER: The scientific method is a cyclic process of making observations, formulating new ideas, and then
testing those ideas with experiments.
11. An element is defined as
a. a substance that is made of only one type of atom.
b. anything that has mass and takes up volume.
c. a substance that can be broken down into simpler substances.
d. a combination of two or more pure substances.
e. a substance composed of two or more types of atoms bound together in a fixed ratio.
ANSWER: a
12. A compound is a substance that
a. contains more than one type of atom present in fixed ratios.
b. contains only one type of atom.
c. contains more than one type of atom present in different ratios.
d. can contain one or many types of atoms.
e. must contain at least three different types of atoms.
ANSWER: a
13. Which of the following is an element?
a. water (H2O)
b. oxygen (O2)
c. sucrose (C12H22O11)
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, Name: Class: Date:
Chapter 1 Matter and Measurement
d. sodium chloride (NaCl)
e. carbon dioxide (CO2)
ANSWER: b
14. Which of the following is a compound?
a. copper (Cu)
b. fluorine (F2)
c. neon (Ne)
d. carbon (C)
e. nitrogen monoxide (NO)
ANSWER: e
15. Which of the following is an example of a heterogeneous mixture?
a. salt water
b. sugar dissolved in coffee
c. air
d. salad
e. ketchup
ANSWER: d
16. Which of the following characteristics best describes a liquid?
a. Has a definite volume and a definite shape.
b. Does not have a definite volume nor shape.
c. Has a definite volume, but not a definite shape.
d. The particles vibrate within their spaces in a framework.
e. The particles move freely with very little interaction with each other.
ANSWER: c
17. What is the process of a liquid transitioning into a gas called?
a. melting
b. vaporization
c. freezing
d. sublimation
e. condensation
ANSWER: b
18. Which of the following is an example of a homogenous mixture?
a. a soda with ice
b. oil and water
c. chicken noodle soup
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Chapter 1 Matter and Measurement
1. Which of the following career fields are connected to chemistry?
a. biology and medicine
b. physics and engineering
c. agriculture and food science
d. environmental, earth, and space science
e. all of the above
ANSWER: e
2. A scientific law describes an observation is widely considered true. What else is TRUE of a scientific law?
a. It will tell us why the observation is true.
b. It can be used to make predictions.
c. It is a theory that has been proven true.
d. All of the above are true.
e. None of the above are true.
ANSWER: b
3. Which of the following is NOT true about a theory?
a. A theory can be considered a way of thinking about a particular topic.
b. A theory is an idea that is supported by experimental evidence.
c. A theory is part of the scientific method.
d. A theory can change based on new evidence.
e. A theory is an idea that is completely unproven.
ANSWER: e
4. A hypothesis is
a. a proven fact.
b. an experimental procedure.
c. a tentative explanation that has not been tested.
d. an idea that has been tested and refined.
e. a statement that describes observations that are true in widely varying circumstances.
ANSWER: c
5. According to the scientific method, what is the next step after developing a hypothesis?
a. draw conclusions
b. devise and conduct experiments
c. develop a theory
d. share results with other scientists
e. develop another hypothesis
ANSWER: b
6. Which of the following is TRUE about the scientific method?
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,Name: Class: Date:
Chapter 1 Matter and Measurement
a. First, observations are made, then new ideas are formulated, and it ends with testing.
b. The first step is to make conclusions.
c. It is a cyclic process.
d. The last step is to run experiments.
e. None of the above.
ANSWER: c
7. Chemistry is often called the central science. Why?
ANSWER: Chemistry is used in many other scientific fields such as biology, physics, agriculture, and
engineering.
8. What is chemistry?
ANSWER: Chemistry is the study of what substances are made of and how they behave.
9. How do you interact with chemistry in your daily life?
ANSWER: Chemistry is everywhere. Everything you do is impacted by chemistry!
10. Briefly explain the scientific method.
ANSWER: The scientific method is a cyclic process of making observations, formulating new ideas, and then
testing those ideas with experiments.
11. An element is defined as
a. a substance that is made of only one type of atom.
b. anything that has mass and takes up volume.
c. a substance that can be broken down into simpler substances.
d. a combination of two or more pure substances.
e. a substance composed of two or more types of atoms bound together in a fixed ratio.
ANSWER: a
12. A compound is a substance that
a. contains more than one type of atom present in fixed ratios.
b. contains only one type of atom.
c. contains more than one type of atom present in different ratios.
d. can contain one or many types of atoms.
e. must contain at least three different types of atoms.
ANSWER: a
13. Which of the following is an element?
a. water (H2O)
b. oxygen (O2)
c. sucrose (C12H22O11)
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, Name: Class: Date:
Chapter 1 Matter and Measurement
d. sodium chloride (NaCl)
e. carbon dioxide (CO2)
ANSWER: b
14. Which of the following is a compound?
a. copper (Cu)
b. fluorine (F2)
c. neon (Ne)
d. carbon (C)
e. nitrogen monoxide (NO)
ANSWER: e
15. Which of the following is an example of a heterogeneous mixture?
a. salt water
b. sugar dissolved in coffee
c. air
d. salad
e. ketchup
ANSWER: d
16. Which of the following characteristics best describes a liquid?
a. Has a definite volume and a definite shape.
b. Does not have a definite volume nor shape.
c. Has a definite volume, but not a definite shape.
d. The particles vibrate within their spaces in a framework.
e. The particles move freely with very little interaction with each other.
ANSWER: c
17. What is the process of a liquid transitioning into a gas called?
a. melting
b. vaporization
c. freezing
d. sublimation
e. condensation
ANSWER: b
18. Which of the following is an example of a homogenous mixture?
a. a soda with ice
b. oil and water
c. chicken noodle soup
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