Astronomy Practice
  • 1. What takes place in the center of the sun?
A) all of the answers are correct
B) hydrogen fuses together
C) helium is formed
D) nuclear fusion
  • 2. True or False The sun gives off all parts of the electromagnetic spectrum.
A) True
B) False
  • 3. Which planet is largest?
A) Saturn
B) Mercury
C) Uranus
D) Jupiter
  • 4. Name the order of the planets
A) Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune
B) Mercury, Venus, Earth, Mars, Saturn, Jupiter, Neptune, Uranus
C) Mercury, Venus, Earth, Mars, Saturn, Jupiter, Uranus, Neptune
D) Mercury, Venus, Earth, Mars, Jupiter, Saturn, Neptune, Uranus
  • 5. What causes the seasons?
A) Both the tilt of the earth's axis and the earth's orbit
B) The earth's orbit
C) The tilt of the earth's axis
D) How close earth is to the sun
  • 6. What month does the 1st day of spring occur?
A) May
B) June
C) April
D) March
  • 7. What causes tides?
A) The moon's gravity
B) an earthquake
C) a tsunami
D) The earth's gravity
  • 8. Neap tides cause what to happen to tides?
A) They cause tsunamis
B) They have no effect on the height of tides
C) They are higher than usual
D) They are lower than usual
  • 9. What causes the phases of the moon
A) The moon's orbit
B) The earth's rotation
C) The earth's orbit
D) The sun's gravity
  • 10. How long does it take for the moon to complete all of its phases?
A) 1 year
B) 2 weeks
C) 29 days
D) 1 week
  • 11. What is a blue moon?
A) The first full moon of a month
B) when the man on the moon is sad
C) The second full moon of a month
D) when the moon appears blue in color
  • 12. Who was the first person on the moon?
A) Neil Armstrong
B) Buzz Aldren
C) John Glenn
D) Alan Shepard
  • 13. How did the solar system form?
A) None of the answers are correct.
B) From the gravitational attraction between molecules.
C) Both of the answers are correct.
D) From a the gases left over from an exploding star.
  • 14. What causes a lunar eclipse?
A) The moon passes through it's own shadow.
B) The earth passes through the sun's shadow.
C) The moon passes through the earth's shadow.
D) The earth passes through the moon's shadow.
  • 15. What causes a solar eclipse?
A) The sun passes through the earth's shadow.
B) The earth passes through the sun's shadow.
C) The earth passes through the moon's shadow.
D) The moon passes through the earth's shadow.
  • 16. What is the name of our galaxy?
A) Milk and Juice
B) Milky Way
C) Snickers
D) One way
  • 17. What type of galaxy is ours?
A) Elliptical
B) Irregular
C) Spiral
D) Regular
  • 18. What is the hottest star?
A) super giant
B) yellow
C) red
D) blue
  • 19. The Big Bang Theory explains.....
A) how stars explode
B) how the sound travels through space
C) how long it will take to travel in space
D) the formation of the universe
  • 20. What type of star is the sun on the Hertzsprung-Russell diagram?
A) red giant
B) white dwarf
C) super giant
D) main sequence
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