Astronomy Practice
  • 1. What takes place in the center of the sun?
A) all of the answers are correct
B) helium is formed
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) Saturn
B) Uranus
C) Jupiter
D) Mercury
  • 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 earth's orbit
B) Both the tilt of the earth's axis and the earth's orbit
C) How close earth is to the sun
D) The tilt of the earth's axis
  • 6. What month does the 1st day of spring occur?
A) March
B) June
C) April
D) May
  • 7. What causes tides?
A) an earthquake
B) a tsunami
C) The earth's gravity
D) The moon's gravity
  • 8. Neap tides cause what to happen to tides?
A) They have no effect on the height of tides
B) They cause tsunamis
C) They are higher than usual
D) They are lower than usual
  • 9. What causes the phases of the moon
A) The earth's orbit
B) The sun's gravity
C) The moon's orbit
D) The earth's rotation
  • 10. How long does it take for the moon to complete all of its phases?
A) 1 week
B) 1 year
C) 29 days
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) John Glenn
B) Buzz Aldren
C) Neil Armstrong
D) Alan Shepard
  • 13. How did the solar system form?
A) None of the answers are correct.
B) Both 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 moon passes through it's own shadow.
C) The moon passes through the earth's shadow.
D) The earth passes through the sun's shadow.
  • 15. What causes a solar eclipse?
A) The moon passes through the earth's shadow.
B) The earth passes through the moon's shadow.
C) The earth passes through the sun's shadow.
D) The sun passes through the earth's shadow.
  • 16. What is the name of our galaxy?
A) One way
B) Snickers
C) Milky Way
D) Milk and Juice
  • 17. What type of galaxy is ours?
A) Spiral
B) Regular
C) Irregular
D) Elliptical
  • 18. What is the hottest star?
A) yellow
B) super giant
C) blue
D) red
  • 19. The Big Bang Theory explains.....
A) how the sound travels through space
B) how long it will take to travel in space
C) the formation of the universe
D) how stars explode
  • 20. What type of star is the sun on the Hertzsprung-Russell diagram?
A) main sequence
B) white dwarf
C) red giant
D) super giant
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