Test Bank for Conceptual Physics 12th Edition by Paul G. Hewitt

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Conceptual Physics, 12e (Hewitt)
Chapter 1 About Science

1.1 Multiple-Choice Questions

1) Science is a body of knowledge that
A) describes order in nature.
B) is an ongoing human activity.
C) condenses knowledge into testable laws.
D) all of the above
E) none of the above
Answer: D
Diff: 1
Topic: Scientific Measurements

2) To a fair approximation, Early Greeks knew the
A) size of Earth.
B) size of the Moon.
C) Earth-Moon distance.
D) all of the above
Answer: D
Diff: 1
Topic: Scientific Measurements

3) When the Sun shines on the Moon, the Moon casts a shadow
A) at all times.
B) that is tapered.
C) that sometimes falls on Earth.
D) all of the above
Answer: D
Diff: 1
Topic: Scientific Measurements

4) Eratosthenes first learned about the position of the Sun in mid-summer by
A) consulting library information.
B) setting up a stick at Syene.
C) setting up a stick at Alexandria.
D) setting up sticks at both Syene and Alexandria.
E) none of the above
Answer: A
Diff: 2
Topic: Scientific Measurements




1
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5) Eratosthenes' measurements of Earth's size involved
A) a deep well in Syene.
B) a pillar's shadow in Alexandria.
C) surveying the distance between Alexandria and Syene.
D) all of the above
Answer: D
Diff: 2
Topic: Scientific Measurements

6) When we see a half Moon in the sky, the lines between Earth, Moon, and Sun
A) are equal in length.
B) are parallel to one another.
C) form a right triangle.
D) all of the above
Answer: C
Diff: 2
Topic: Scientific Measurements

7) Spots of sunlight on the ground cast through openings between leaves in trees above are
actually
A) images of the Sun.
B) part of a solar eclipse.
C) due to refraction of sunlight.
D) all of the above
Answer: A
Diff: 1
Topic: Scientific Measurements

8) A simple method of measuring the distance between the Earth and the Moon is to place in
your line of sight to the Moon a
A) magnifying glass.
B) coin.
C) telescope.
D) meterstick.
Answer: B
Diff: 2
Topic: Scientific Measurements

9) The safest way to view an image of the Sun is to use
A) a telescope.
B) binoculars.
C) a pinhole.
D) colored sunglasses.
Answer: C
Diff: 2
Topic: Scientific Measurements


2
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10) The scientific method is most effective in
A) making hypotheses.
B) gaining, organizing, and applying new knowledge.
C) discovering new things.
D) making theories.
E) performing experiments.
Answer: B
Diff: 1
Topic: Scientific Methods

11) An educated scientific guess is a
A) hypothesis.
B) theory.
C) either of these
D) neither of these
Answer: A
Diff: 1
Topic: Scientific Methods

12) Facts in the field of science
A) are absolute.
B) are changeable.
C) mean very little.
D) are more important than theories.
Answer: B
Diff: 1
Topic: Scientific Methods

13) The synthesis of a large collection of information that contains well-tested and verified
hypotheses about certain aspects of the world is known as a scientific
A) fact.
B) hypothesis.
C) law or principle.
D) theory.
E) none of the above
Answer: D
Diff: 1
Topic: Scientific Methods

14) A theory in the field of science is
A) an educated guess.
B) less than a fact.
C) a synthesis of a large body of well-tested knowledge.
D) unchangeable.
Answer: C
Diff: 1
Topic: Scientific Methods
3
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