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The Universe Quiz 4 (60 MCQs)

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1. An observed change in the frequency of a wave when the source or observer is moving
2. Which of the following techniques can give us the speed of a star relative to us?
3. Is any natural body outside of the Earth's atmosphere.
4. How does space exploration technology benefit society?
5. Which type of star has the following life cycle? Nebula-Protostar-Main Sequence-Red Giant-Planetary Nebula-White Dwarf-Black Dwarf
6. States that all galaxies are moving away from us.
7. A quantitative observation includes .....
8. H-R diagrams measure both a star's ..... and .....
9. The vast majority of galaxies in our universe are moving away from us. We know this because we observe ..... in the galaxies absorption spectra.
10. The Belgian priest to whom the big bang theory is attributed
11. Which type of star has the following life cycle:Nebula-Protostar-Main Sequence-Red Supergiant-Supernova-Black Hole / Neutron Star
12. There are probably more than ..... galaxies in the observable universe
13. As part of the modern theory of the origins of the elements, it is hypothesized that before the formation of the stars, most of the matter in the universe consisted of what atoms?
14. Which scientific theory has the most evidence?
15. Which theory has no beginning?
16. How many classifications of galaxies are there
17. Who won the science competition? p 290
18. A date that is commonly accepted by Big Bang theorists for the Big Bang is ..... years ago.
19. About 90% of the stars in our galaxy are ..... stars.
20. What galaxy do you live in?
21. What is the biggest difference between the Geocentric Model and the Heliocentric Model?
22. Roughly how many times does Earth rotate during each complete revolution?
23. What are the three shapes galaxies take?
24. An astronomical object consisting of a luminous sphere of plasma ("burning gas" ) held together by its own gravity.
25. A cloud of gas and dust that looks like dark luminous matter.
26. A system of stars, gas, dust, and dark matter bound together by gravity is called
27. The center point of balance between the orbits of two revolving objects is called the
28. What is a large collection of stars, gas, and dust that is held together by gravity
29. The change in wavelength of light or sound that is due to the relative motion of the source towards or away from an observer.
30. What are the names of the first four planets from the Sun?
31. The Big Bang Theory explains the formation of the
32. Which elements are mostabundant in the visibleuniverse?
33. The speed of light is .....
34. What occurs when the Moon passes through a part of the Earth's shadow?
35. Astronomers use the light-year to describe the relationship between objects in space. For example, the Andromeda galaxy is 2.5 million ly from Earth. Which of the following units is most similar to the light-year?
36. What was the period following the creation? and had rapid growth?
37. Galaxies furthest away are .....
38. The elements in a column of the periodic table .....
39. Use the Hertzsprung-Russell Diagram to answer the following question. White dwarf stars .....
40. The scientist who first challenged the Earth-centered Universe model was .....
41. The factor that is deliberately manipulated-(something that is changed)
42. What is the title of George's science competition presentation p 284
43. What does "spectrum" mean?
44. Which of the following correctly describes the geocentric model of the Solar System?
45. What type of electromagnetic radiation has the shortest wavelengths?
46. The event that marks the beginning of our known universe is called .....
47. Who among the following did not believe in a static universe (Steady-State Theory)?
48. The study of cosmology is concerned with
49. The process that changes hydrogen to helium in a star is called .....
50. After our solar system began to form, dust and gas combined into small bodies that formed the planets. What are these small bodies called?
51. Our solar system includes the Earth, the Sun, and the seven other planets that are in orbit around the Sun. Which of the following galaxies does our solar system belong to?
52. Which of the following would scientists say is true about most galaxies?
53. Which theory explained the flatness of the universe?
54. The sun is a glowing ball of .....
55. How many stars are in a galaxy.
56. What is a spherical body that orbits the sun
57. A meteoroid that penetrates Earth's atmosphere is called a
58. What is the existence of cosmic background radiation evidence for?
59. What existed one second after the Big Bang?
60. In the Big Bang model, which describes a universe that will stop expanding and begin to contract?
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