Question 1

Which pair of ball-drop experiments will best test whether mass affects the acceleration of gravity? Exp 1. Mass 0.5 kilograms, height 20 meters
Exp 2. Mass 5.0 kilograms, height 20 meters
Exp 3. Mass 0.5 kilograms, height 30 meters

Accepted Answer

A)   Exp 1 and 3
B)   Exp 2 and 3
C)   Exp 1 and 2D) All of the above
E) A) and B)

Question 2

The Nature of Astronomical Models: Consider the Aztec structure Templo Mayor described in the text. In what sense can such structures be considered a model of our solar system? How does such a model differ from the models that astronomers use today? Given your answers, to what extent do you think the builders of such ancient structures engaged in a scientific process?

Accepted Answer

The Aztec structure Templo Mayor can be ...

Question 3

Observational Tests: Observations are the ultimate test of physical models and their predictions. Both Tycho Brahe and Galileo Galilei made decisive observations that helped distinguish between the geocentric and heliocentric models for the solar system. Compare and contrast the types of observations that Tycho and Galileo gathered. Which do you think was more persuasive to astronomers at the time?
How about to educated members of the public?

Accepted Answer

Tycho Brahe and Galileo Galilei both made significant observations that contributed to the understanding of the solar system and the debate between the geocentric and heliocentric models.

Tycho Brahe, a Danish astronomer, made precise and detailed observations of the positions of the planets and stars. He built large instruments and made extensive measurements of the positions of celestial bodies, which allowed him to create accurate and detailed star charts. His observations were crucial in providing evidence against the geocentric model and in support of the heliocentric model proposed by Copernicus.

On the other hand, Galileo Galilei, an Italian astronomer, made groundbreaking observations using a telescope. He observed the phases of Venus, the moons of Jupiter, and the mountains and craters on the Moon, all of which provided strong evidence for the heliocentric model. Galileo's observations were more revolutionary and directly challenged the traditional geocentric view of the solar system.

In terms of persuasiveness, Galileo's observations were likely more convincing to astronomers at the time due to the revolutionary nature of his discoveries and the direct evidence they provided for the heliocentric model. His observations were also more accessible to the educated public, as they could be demonstrated through the use of a telescope. Tycho's observations, while precise and detailed, may have been more technical and less accessible to the general public.

Overall, both Tycho Brahe and Galileo Galilei made crucial observations that helped to distinguish between the geocentric and heliocentric models for the solar system. While Galileo's observations may have been more persuasive to astronomers and the educated public at the time, both astronomers made significant contributions to the advancement of our understanding of the solar system.

Question 4

Kepler's third law, p² = a³, means that

Accepted Answer

A)   a planet's period does not depend on the eccentricity of its orbit.
B)   all orbits with the same semimajor axis have the same period.
C)   the period of a planet does not depend on its mass.
D)   planets that are farther from the Sun move at slower average speeds than nearer planets.
E)   All of the above are correct.F) C) and D)
G) A) and C)

Question 5

Rival Theories: The idea that Newtonian gravitation might be incorrect was only taken seriously by the scientific community when a powerful rival theory, Einstein's Theory of General Relativity, became available in the early part of the 20th century. Consider the role of rival theories with regard to the pseudoscience of astrology. Astrology purports to "explain" human behavior by celestial influences, such as the position of the Sun and stars in the sky. Consider the social science of psychology. Is it more or less successful in explaining human behavior? Give specific examples if you can. Does your answer play any role in regarding astrology as a pseudoscience?

Accepted Answer

The role of rival theories is crucial in...

Question 6

Which of the following statements about scientific models is true?

Accepted Answer

A)   A model tries to represent all aspects of nature.
B)   A model tries to represent only one aspect of nature.
C)   A model can be used to explain and predict real phenomena.
D)   All models that explain nature well are correct.
E)   All current models are correct.F) B) and D)
G) A) and E)

Question 7

Which of the following statements are not falsiﬁable? Being falsiﬁable means that, in principle, it can be shown to be false by observations or experiments.

Accepted Answer

A)   The Sun is at the center of the solar system.
B)   The observable universe contains about 100 billion galaxies.
C)   The Earth is at the center of the solar system.
D)   Human beings were created by God.
E)   The chemical content of the universe is mostly hydrogen and helium.F) A) and B)
G) B) and D)

Question 8

What practical value did astronomy offer to ancient civilizations?

Accepted Answer

A)   It helped them keep track of time and seasons, and it was used by some cultures for navigation.
B)   It allowed them to predict eclipses with great accuracy.
C)   It helped them understand our cosmic origins.
D)   It helped them find uses for ancient structures like Stonehenge.E) A) and B)
F) A) and C)

Question 9

Which of the following is not consistent with the major hallmarks of science?

Accepted Answer

A)   Science consists of proven theories that are understood to be true explanations of reality.
B)   Scientific explanations should be based solely on natural causes.
C)   Science progresses through the creation and testing of models that explain observation as simply as possible.
D)   A scientific model must make testable predictions.E) A) and B)
F) All of the above

Question 10

Which of the following best describes a set of conditions under which archaeoastronomers would conclude that an ancient structure was used for astronomical purposes?

Accepted Answer

A)   The structure has holes in the ceiling that allow viewing the passage of constellations that figure prominently in the culture's folklore, and many other structures built by the same culture have ceiling holes placed in the same way.
B)   They find that, looking out from the center of the building, there are two windows that align with the rise and set points of two bright stars.
C)   The structure has 29 straight lines pointing out from a center, just like there are 29 days in the lunar cycle.
D)   The structure has the same dome shape as modern astronomical observatories.E) B) and D)
F) None of the above

Question 11

What do we mean by a geocentric model of the universe?

Accepted Answer

A)   A model designed to explain what we see in the sky while having the Earth located in the center of the universe
B)   A model designed to explain what we see in the sky while having the Earth orbit the Sun
C)   It is the name given to sphere-shaped models that show all the constellations as they appear in our sky on the celestial sphere.
D)   A model of the Milky Way Galaxy that has our solar system located at its centerE) B) and C)
F) C) and D)

Question 12

When we see Venus in its full phase, what phase would Earth be in as seen by a hypothetical Venetian?

Accepted Answer

A)   full
B)   new
C)   first quarter
D)   third quarter
E)   waning crescentF) C) and E)
G) A) and D) A

Question 13

The ancient goal of astrology was to

Accepted Answer

A)   understand the origin of Earth.
B)   make a more accurate model of the universe.
C)   predict the passing of the seasons.
D)   predict human events.
E)   antagonize astronomers.F) A) and E)
G) C) and E)

Question 14

Scientific models are used to ________.

Accepted Answer

A)   present the scale of the solar system to the general public
B)   make specific predictions that can be tested through observations or experiments
C)   make miniature representations of the universe
D)   prove that past paradigms no longer hold trueE) B) and C)
F) A) and D)

Question 15

Suppose a comet orbits the Sun on a highly eccentric orbit with an average (semimajor axis)  distance of 1 AU. How long does it take to complete each orbit, and how do we know?

Accepted Answer

A)   Each orbit takes about 1 year, which we know from Kepler's third law.
B)   It depends on the eccentricity of the orbit, as described by Kepler's second law.
C)   It depends on the eccentricity of the orbit, as described by Kepler's first law.
D)   Each orbit should take about 2 years, because the eccentricity is so large.E) B) and C)
F) A) and B) A

Question 16

At the Sun Dagger in New Mexico, a dagger-shaped beam of sunlight pierces a spiral

Accepted Answer

A)   every day at noon.
B)   at noon on the summer solstice.
C)   at sunset on the spring equinox.
D)   at noon on the day of full moon each month.
E)   during the totality of a total solar eclipse.F) B) and C)
G) B) and D)

Question 17

He discovered that Jupiter has moons.

Accepted Answer

A)   Tycho Brahe
B)   Aristotle
C)   Kepler
D)   Galileo
E)   PtolemyF) None of the above
G) C) and D)

Question 18

Scientific thinking is ________.

Accepted Answer

A)   based on everyday ideas of observation and trial-and-error experiments
B)   completely different from any other type of thinking
C)   a difficult process that only a handful of people can do well
D)   an ancient mode of thinking first invented in EgyptE) A) and B)
F) B) and D)

Question 19

You want to test how the mass of a ball affects its rate of fall. Which of the following ball drop trials (matched mass and drop heights)  would best test this question?

Accepted Answer

A)   Mass of 0.5 kg, height 20 m/mass of 0.5 kg, height 10 m
B)   Mass of 0.5 kg, height 20 m/mass of 5.0 kg, height 20 m
C)   Mass of 0.5 kg, height 20 m/mass of 5.0 kg, height 10 m
D)   Mass of 0.5 kg, height 20 m/mass of 0.5 kg, height 20 mE) A) and C)
F) A) and B)

Question 20

From Kepler's third law, an asteroid with an orbital period of 8 years lies at an average distance from the Sun equal to

Accepted Answer

A)   2 astronomical units.
B)   4 astronomical units.
C)   8 astronomical units.
D)   16 astronomical units.
E)   It depends on the asteroid's mass.F) A) and C)
G) A) and E)

Exam 3: The Science of Astronomy

Which pair of ball-drop experiments will best test whether mass affects the acceleration of gravity? Exp 1. Mass 0.5 kilograms, height 20 meters Exp 2. Mass 5.0 kilograms, height 20 meters Exp 3. Mass 0.5 kilograms, height 30 meters

Correct Answer
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The Aztec structure Templo Mayor can be ...
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Kepler's third law, p² = a³, means that

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Correct Answer
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The role of rival theories is crucial in...
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Which of the following statements about scientific models is true?

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Which of the following statements are not falsiﬁable? Being falsiﬁable means that, in principle, it can be shown to be false by observations or experiments.

Correct Answer
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What practical value did astronomy offer to ancient civilizations?

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Which of the following is not consistent with the major hallmarks of science?

Correct Answer
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Which of the following best describes a set of conditions under which archaeoastronomers would conclude that an ancient structure was used for astronomical purposes?

Correct Answer
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What do we mean by a geocentric model of the universe?

Correct Answer
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When we see Venus in its full phase, what phase would Earth be in as seen by a hypothetical Venetian?

Correct Answer
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A

The ancient goal of astrology was to

Correct Answer
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Scientific models are used to ________.

Correct Answer
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Suppose a comet orbits the Sun on a highly eccentric orbit with an average (semimajor axis) distance of 1 AU. How long does it take to complete each orbit, and how do we know?

Correct Answer
verified
A

At the Sun Dagger in New Mexico, a dagger-shaped beam of sunlight pierces a spiral

Correct Answer
verified

He discovered that Jupiter has moons.

Correct Answer
verified

Scientific thinking is ________.

Correct Answer
verified

You want to test how the mass of a ball affects its rate of fall. Which of the following ball drop trials (matched mass and drop heights) would best test this question?

Correct Answer
verified

From Kepler's third law, an asteroid with an orbital period of 8 years lies at an average distance from the Sun equal to

Correct Answer
verified

Exam 3: The Science of Astronomy

Which pair of ball-drop experiments will best test whether mass affects the acceleration of gravity? Exp 1. Mass 0.5 kilograms, height 20 meters Exp 2. Mass 5.0 kilograms, height 20 meters Exp 3. Mass 0.5 kilograms, height 30 meters

Correct AnswerverifiedShow Answer

Correct AnswerAnswered by ExamLex AIThe Aztec structure Templo Mayor can be ...View AnswerShow Answer

Kepler's third law, p² = a³, means that

Correct AnswerverifiedShow Answer

Correct AnswerAnswered by ExamLex AIThe role of rival theories is crucial in...View AnswerShow Answer

Which of the following statements about scientific models is true?

Correct AnswerverifiedShow Answer

Which of the following statements are not falsiﬁable? Being falsiﬁable means that, in principle, it can be shown to be false by observations or experiments.

Correct AnswerverifiedShow Answer

What practical value did astronomy offer to ancient civilizations?

Correct AnswerverifiedShow Answer

Which of the following is not consistent with the major hallmarks of science?

Correct AnswerverifiedShow Answer

Which of the following best describes a set of conditions under which archaeoastronomers would conclude that an ancient structure was used for astronomical purposes?

Correct AnswerverifiedShow Answer

What do we mean by a geocentric model of the universe?

Correct AnswerverifiedShow Answer

When we see Venus in its full phase, what phase would Earth be in as seen by a hypothetical Venetian?

Correct AnswerverifiedA

The ancient goal of astrology was to

Correct AnswerverifiedShow Answer

Scientific models are used to ________.

Correct AnswerverifiedShow Answer

Suppose a comet orbits the Sun on a highly eccentric orbit with an average (semimajor axis) distance of 1 AU. How long does it take to complete each orbit, and how do we know?

Correct AnswerverifiedA

At the Sun Dagger in New Mexico, a dagger-shaped beam of sunlight pierces a spiral

Correct AnswerverifiedShow Answer

He discovered that Jupiter has moons.

Correct AnswerverifiedShow Answer

Scientific thinking is ________.

Correct AnswerverifiedShow Answer

You want to test how the mass of a ball affects its rate of fall. Which of the following ball drop trials (matched mass and drop heights) would best test this question?

Correct AnswerverifiedShow Answer

From Kepler's third law, an asteroid with an orbital period of 8 years lies at an average distance from the Sun equal to

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
Answered by ExamLex AI
The Aztec structure Templo Mayor can be ...
View Answer

Correct Answer
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Correct Answer
Answered by ExamLex AI
The role of rival theories is crucial in...
View Answer

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Correct Answer
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A

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A

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