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