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Astr 100 Final Exam

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Astr 100 Final Exam
Name: Date:
Final

Section-1
Type the letter that represents the best answer to each of the multiple choice questions. Answer all questions in this section. Each question is worth 1 point.
This section is worth 40 points.
[1] In the scientific method, a hypothesis is _____.
A ) is a statement of fact
B ) makes a prediction that can be tested
C ) is usually proven to be correct
D ) can only be tested once
E ) all of these

[2] Which of the following can be considered a definition of "theory?"
A ) A theory can be an explanation of scientific laws.
B ) A theory is an integrated explanation of numerous hypotheses, each supported by a large body of observations and experiments.
C ) A theory is a condensation and simplification of many data that previously appeared unrelated.
D ) A theory is a prediction for new data suggesting new relationships among a range of natural phenomena.
E ) All of the above.

[3] An integrated explanation of numerous hypotheses is known as a _____. A ) fact
B ) law
C ) control
D ) theory
E ) guess

[4] What is the correct sequence of steps in the scientific method?
I. State a problem
II. Analyze and interpret data
III. Develop a hypothesis
IV. Share the results with other scientists
V. Design and perform experiment to test the hypothesis
A ) I – II - III - IV – V
B ) III – I - V – II – IV
C ) V – IV – III – II – I
D ) I – III – V – II – IV
E ) V – II – I – III – IV

[5] Ptolemy's model sought to explain retrograde motion by _____.
A) adding circles to epicycle orbits
B) adding circles to elliptical orbits
C) adding epicycles to elliptical orbits
D) adding epicycles to circular orbits

[6] Which of the following is correctly ordered from shortest to longest lifetime?
A) Sun, very high mass star, very low mass star
B) very low mass star, Sun, very high mass star
C) very high mass star, Sun, very low mass star
D) Sun, very low mass star, very high mass star

[7] Which of the

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