(All Chapters)
Chapter 1
1. Chemistry that is essential to the understanding of the human body is found within the field of _____.
a. physics
b. biology/medicine
c. materials
d. geology
ANSWER: b
2. Chemistry that is essential to the understanding of energy and motion is found within the field of _____.
a. physics
b. biology/medicine
c. materials
d. geology
ANSWER: a
3. Chemistry that is essential to the understanding of plastics and steel is found within the field of _____.
a. physics
b. biology/medicine
c. materials
d. geology
ANSWER: c
4. _____ is often referred to as the "central science" because it connects with every other field of science.
a. Chemistry
b. Biology/medicine
c. Physics
d. Geology
ANSWER: a
5. Which task is NOT 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.
ANSWER: d
6. Which task is NOT 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.
ANSWER: d
7. Chemistry that is essential to the development of pharmaceutical drugs and treatments is found within the
field of _____.
a. physics
b. biology/medicine
c. environmental science
d. geology
ANSWER: b
8. Which picture BEST represents a mixture?
a. a
b. b
c. c
d. All of these pictures represent mixtures.
ANSWER: a
9. By definition, which of the following can be broken down into simpler substances?
a. gas
b. element
c. compound
d. liquid
ANSWER: c
10. By definition, which of the following CANNOT be broken down into simpler substances?
a. gas
b. element
c. compound
d. liquid
ANSWER: b
11. Which phase of matter has a definite volume but no definite shape?
a. plasma
b. solid
c. liquid
, d. gas
ANSWER: c
12. Which phase of matter has a definite volume and shape?
a. plasma
b. solid
c. liquid
d. gas
ANSWER: b
13. A chemical change always involves a change in the _____ of matter.
a. state
b. composition
c. volume
d. temperature
ANSWER: b
14. A mixture of iron, salt, and sand can be separated using a magnet, water, a filter, and a hot plate. This
separation _____.
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
ANSWER: c
15. Mineral deposits (known as soap scum) can be removed from your bathtub by reacting with vinegar. This
changes the soap scum to a new compound that more easily washes away. The removal of soap scum by the
addition of vinegar _____.
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
ANSWER: b
16. Which picture BEST represents a pure element?
a. a
b. b
c. c
d. All of these pictures represent a pure element.
, ANSWER: b
17. Which picture BEST represents a mixture of pure elements?
a. a
b. b
c. c
d. All of these pictures represent a mixture of pure elements.
ANSWER: a
18. Which picture BEST represents a compound?
a. a
b. b
c. c
d. All of these pictures represent a compound.
ANSWER: c
19. Which picture BEST represents a homogeneous mixture?
a. a
b. b
c. c
d. All of these pictures represent a homogeneous mixture.
ANSWER: a
20. Which mixture is heterogeneous?
a. water from a creek or small river
b. purified water
c. fresh milk recently purchased from the grocery store
d. a cup of black coffee