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) Mercury
B) Saturn
C) Jupiter
D) Uranus
  • 4. Name the order of the planets
A) Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune
B) Mercury, Venus, Earth, Mars, Saturn, Jupiter, Uranus, Neptune
C) Mercury, Venus, Earth, Mars, Jupiter, Saturn, Neptune, Uranus
D) Mercury, Venus, Earth, Mars, Saturn, Jupiter, Neptune, Uranus
  • 5. What causes the seasons?
A) Both the tilt of the earth's axis and the earth's orbit
B) How close earth is to the sun
C) The tilt of the earth's axis
D) The earth's orbit
  • 6. What month does the 1st day of spring occur?
A) April
B) May
C) March
D) June
  • 7. What causes tides?
A) a tsunami
B) The earth's gravity
C) The moon's gravity
D) an earthquake
  • 8. Neap tides cause what to happen to tides?
A) They cause tsunamis
B) They are higher than usual
C) They have no effect on the height of tides
D) They are lower than usual
  • 9. What causes the phases of the moon
A) The moon's orbit
B) The sun's gravity
C) The earth's orbit
D) The earth's rotation
  • 10. How long does it take for the moon to complete all of its phases?
A) 1 year
B) 29 days
C) 1 week
D) 2 weeks
  • 11. What is a blue moon?
A) The second full moon of a month
B) when the moon appears blue in color
C) when the man on the moon is sad
D) The first full moon of a month
  • 12. Who was the first person on the moon?
A) Buzz Aldren
B) Alan Shepard
C) Neil Armstrong
D) John Glenn
  • 13. How did the solar system form?
A) From a the gases left over from an exploding star.
B) Both of the answers are correct.
C) None of the answers are correct.
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 sun passes through the earth's shadow.
C) The earth passes through the sun'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) Elliptical
B) Regular
C) Spiral
D) Irregular
  • 18. What is the hottest star?
A) blue
B) yellow
C) red
D) super giant
  • 19. The Big Bang Theory explains.....
A) the formation of the universe
B) how stars explode
C) how long it will take to travel in space
D) how the sound travels through space
  • 20. What type of star is the sun on the Hertzsprung-Russell diagram?
A) main sequence
B) super giant
C) white dwarf
D) red giant
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