Astronomy Practice
  • 1. What takes place in the center of the sun?
A) hydrogen fuses together
B) nuclear fusion
C) helium is formed
D) all of the answers are correct
  • 2. True or False The sun gives off all parts of the electromagnetic spectrum.
A) False
B) True
  • 3. Which planet is largest?
A) Uranus
B) Jupiter
C) Mercury
D) Saturn
  • 4. Name the order of the planets
A) Mercury, Venus, Earth, Mars, Saturn, Jupiter, Neptune, Uranus
B) Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune
C) Mercury, Venus, Earth, Mars, Saturn, Jupiter, Uranus, Neptune
D) Mercury, Venus, Earth, Mars, Jupiter, Saturn, Neptune, Uranus
  • 5. What causes the seasons?
A) The tilt of the earth's axis
B) How close earth is to the sun
C) The earth's orbit
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) April
C) May
D) June
  • 7. What causes tides?
A) a tsunami
B) The moon's gravity
C) The earth's gravity
D) an earthquake
  • 8. Neap tides cause what to happen to tides?
A) They are higher than usual
B) They are lower than usual
C) They cause tsunamis
D) They have no effect on the height of tides
  • 9. What causes the phases of the moon
A) The moon's orbit
B) The sun's gravity
C) The earth's rotation
D) The earth's orbit
  • 10. How long does it take for the moon to complete all of its phases?
A) 1 week
B) 29 days
C) 2 weeks
D) 1 year
  • 11. What is a blue moon?
A) when the man on the moon is sad
B) The first full moon of a month
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) Alan Shepard
B) Buzz Aldren
C) Neil Armstrong
D) John Glenn
  • 13. How did the solar system form?
A) None of the answers are correct.
B) From a the gases left over from an exploding star.
C) From the gravitational attraction between molecules.
D) Both of the answers are correct.
  • 14. What causes a lunar eclipse?
A) The earth passes through the sun's shadow.
B) The earth passes through the moon's shadow.
C) The moon passes through the earth's shadow.
D) The moon passes through it's own 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 moon passes through the earth's shadow.
D) The earth passes through the moon'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) Regular
B) Spiral
C) Elliptical
D) Irregular
  • 18. What is the hottest star?
A) blue
B) red
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) red giant
B) white dwarf
C) main sequence
D) super giant
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