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- 1. Multiple ChoiceWhich statement best describes stars?large planets that are composed mostly of gascelestial bodies made of gas that give off lightfaint dots of light that can be seen from Earth's surfaceobjects that form in the outer parts of the solar system
- 2. Multiple ChoiceTwo stars have the same apparent magnitude as seen from Earth's surface. Star A is 33 light years away. Star B is 346 light years away. Which of the following statements is true?Star B is larger than Star AStar B is more luminous (more true brightness) than Star AThe stars have the same absolute magnitudeNone of the above
- 3. Multiple ChoiceWhich of the following terms is the same as absolute magnitude?apparent magnitudeluminositylight yeartemperature
- 4. Multiple ChoiceWhich of the following star colors would have the highest surface temperature?redyellowwhiteblue
- 5. Multiple ChoiceAn astronomer uses a telescope to observe a star. She observes that the color of this star is similar to the color of the sun. Therefore, she infers that the star and the sun have similar sizes and surface temperatures. Using this information, what can the astronomer conclude about the star?the star is a medium sized starthe star is a white dwarfthe star is hotter than most other stars in the galaxythe star is bigger than most other stars in the galaxy
- 6. Multiple ChoiceGalaxies contain stars, gas, and dust. What is responsible for holding all of this matter together?heatlightgravityfriction
- 7. Multiple ChoiceWhich of the following terms is a measure of how bright a star appears to be as seen from Earth's surface?luminosityapparent magnitudeabsolute magnitudesolar radii
- 8. Multiple ChoiceA light-year (ly) is the distance that light travels in one year. If a star is 3 ly from Earth, how long does it take light from that star to reach Earth? (SC.8.E.5.1)3 minutes3 hours3 years3 light years
- 9. Multiple ChoiceCelestial bodies can be classified based on their sizes. Which of the following is the smallest? (SC.8.E.5.3)a planetthe suna red supergiantnone of the above
- 10. Multiple ChoiceThe Sun, Earth, seven other planets and smaller bodies make up our. . .(SC.8.E.5.3)ConstellationSolar systemUniverseGalaxy
- 11. Multiple ChoiceWhat is the solar system? (SC.8.E.5.3)Planets and smaller bodies that orbit EarthStars and planets that orbit a galaxyPlanets and smaller bodies that orbit the SunStars and smaller bodies that orbit planets
- 12. Multiple ChoiceWhat is a spherical body that orbits the sun? (SC.8.E.5.3)starplanetsolar system
- 13. Multiple ChoiceWhich of the following is the largest? (SC.8.E.5.3)UniverseSolar SystemStarGalaxy
- 14. Multiple ChoiceA sun-centered model of the solar system.heliocentricgeocentricparallax
- 15. Multiple ChoiceA earth-centered model of the solar system.heliocentricgeocentricparallax
- 16. Multiple ChoiceThe cloud of dust and gas from which a solar system forms.solar nebulaprotostellar diskplanetesimals
- 17. Multiple ChoiceThe sun's outermost atmosphere. Extends millions of kilometers into space.CoronaChromospherePhotosphereCore
- 18. Multiple ChoiceThe middle layer of the sun's atmosphereCoronaChromospherePhotosphereCore
- 19. Multiple ChoiceThe visible surface of the sun.CoronaChromospherePhotosphereCore
- 20. Multiple ChoiceThe layer of the sun through which energy travels by convection from the radiative zone to the photosphere.CoreRadiative ZoneConvective ZoneNuclear Fusion
- 21. Multiple ChoiceThe layer of the sun through which energy is transferred away from the core by radiation.CoreRadiative ZoneConvective ZoneNuclear Fusion
- 22. Multiple ChoiceThe dense center of the sun. Hot enough to cause the nuclear reactions that produce energy in the sun.CoreRadiative ZoneConvective ZoneNuclear Fusion
- 23. Multiple ChoiceThe process by which two or more low-mass atomic nuclei fuse to form another, heavier nucleus.CoreRadiative ZoneConvective ZoneNuclear Fusion
- 24. Multiple ChoiceThe process by which energy is transferred as electromagnetic waves.ConvectionConductionRadiationNuclear fusion
- 25. Multiple ChoiceHot gases rise to the surface of the sun, cool, and then sink back into the convective zone. This process, in which heat is transferred by the circulation or movement of matter, is called . . .ConvectionConductionRadiationNuclear Fusion
- 26. Multiple ChoiceThe rotation of a body in which different parts of a body have different periods of rotation. For example, the sun's equator rotates once in 25 days while the poles rotate once in 35 days.Nuclear FusionDifferential RotationOrbitGravity
- 27. Multiple ChoiceDark areas that form on the surface of the sun. They are cooler than the areas that surround them.Solar flareSunspotProminenceCore
- 28. Multiple ChoiceAn explosive release of energy that can extend outward as far as the sun's outer atmosphere. Appear as very bright spots on the sun's photosphere..Solar flareSunspotProminenceCore
- 29. Multiple ChoiceHuge loops of relatively cool gas that extend outward from the photosphere thousands of kilometers into the outer atmosphere.Solar flareSunspotProminenceCore
- 30. Multiple ChoiceThe sun's composition consists of 74% hydrogen, 25% helium, and 1% other elements.TrueFalse
- 31. Multiple ChoiceThe sun's atmosphere has three layers ______, _____, and _______.Core, radiative zone, convective zonePhotosphere, convective zone, corephotosphere, chromosphere, corephotosphere, chromosphere, corona
- 32. Multiple ChoiceEarth is one of eight planets that orbit the . . .MoonSunGalaxyUniverse
- 33. Multiple Choice
Which one of these conclusions can be drawn based on the graph?
Absolute magnitude is not related to the color of a star.
Blue stars are farther from Earth than red stars.
Blue stars are generally more luminous than red stars.
A blue star will appear brighter from Earth’s surface than a red star.
- 34. Multiple Choice
Eduardo observes the stars through his telescope. He states that the star Regulus is brighter than the star Rigel. In reality, Rigel has a greater absolute brightness than Regulus. What can explain Eduardo’s observation?
A. Rigel and Regulus are the same temperature.
B. Regulus is much closer to Earth than Rigel.
C. Rigel is much closer to Earth than Regulus.
D. Regulus is a cooler star than Rigel.
- 35. Multiple Choice
The chart below displays the names of different stars and their colors. Star’s name Color Aldebaran Orange Spica Blue Antares Red Sun Yellow Which of the groups below best orders the stars from hottest to coolest?
A. Antares, Spica, Sun, Aldebaran
B. Sun, Spica, Antares, Aldebaran
C. Spica, Sun, Aldebaran, Antares
D. Antares, Aldebaran, Sun, Spica
- 36. Multiple Choice
Which of the following statements accurately describes the sun? A. The Sun rotates at the same rate at its poles and equator. B. The Sun rotates slower at its equator. C. The Sun rotates slower at its poles. D. The Sun does not rotate
A. The Sun rotates at the same rate at its poles and equator.
B. The Sun rotates slower at its equator.
C. The Sun rotates slower at its poles.
D. The Sun does not rotate
- 37. Multiple Choice
The picture below is of the Sun. What is the name of the object indicated by the arrow?
A. Core
B. Solar flare
C. Sunspot
D. Solar prominence
- 38. Multiple Choice
What is the word used to describe space and all of the energy and matter in it?
Solar system
Galaxy
Universe
Outer space
- 39. Multiple Choice
Which one of the following is NOT part of our solar system?
Pluto
Moons
Asteroids
Dwarf stars
- 40. Multiple Choice
How many planets are in our solar system?
7
8
9
60
- 41. Multiple Choice
What is a light-year?
The distance to our closest star
How fast light travels
Buzz's last name
The distance light travels through space in one year
- 42. Multiple Choice
What are the names of the first four planets from the Sun?
Venus, Earth, Mars and Jupiter
Earth, Moon, Mars and Mercury
Mercury, Venus, Earth, and Mars
Pluto, Neptune, Uranus and Saturn
- 43. Multiple ChoiceA relatively large spherical body that orbits a star.StarPlanetMoon
- 44. Multiple ChoiceWhich of the following is the largest?staruniverseclustergalaxy
- 45. Multiple ChoiceLight Years are a measure of -timespeeddistancelight
- 46. Multiple Choice
If a star is 12 light years away, how long will it take for it's light to reach Earth?
12 days
1 year
12 years
100 years
- 47. Multiple ChoiceIn the diagram given, what happens as we move to the left?Stars Get LargerStars get ColderStars get hotter
- 48. Multiple ChoiceWhich of these stars is hottest?Red StarYellow StarOrange StarBlue Star
- 49. Multiple ChoiceWhich star is the coldest?Yellow StarRed StarOrange StarBlue Star
- 50. Multiple ChoiceCompared to the rest of the stars, our sun is considered...Extremely Large and ColdSmall with a medium temperatureMedium size with medium temperature
- 51. Multiple ChoiceWhich category is our Sun located in?White DwarfsSupergiantsMain SequenceGiants
- 52. Multiple ChoiceThe category that contains the most stars is...Main SequenceSupergiantsGiants
- 53. Multiple ChoiceAs a whole, Giants are considered hotter than White Dwarfs.TrueFalse
- 54. Multiple ChoiceLook at the H-R diagram. Which star is
sort of cool, dim (not too much light), and red?BetelguseSirius BProcyon BBarnard's star - 55. Multiple ChoiceWhich star has the lowest temperature?ABCD
- 56. Multiple Choice
The Hertzsprung Russell Diagram plots stars according to
Luminosity and temperature
luminosity and color
temperature and color
luminosity and size
- 57. Multiple Choice
The hottest stars on the HR Diagram
on the right and blue
on the left and blue
on the right and red
on the left and red
- Answer choicesTagsAnswer choicesTags