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Ara Tuakana Voyage of Discovery-a-Thon PART 4

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  • What is the largest planet in the solar system?
    Jupiter
  • How does the sun get its light?
    By a nuclear reaction called fusion
  • Name two phases of the moon?
    New moon, waxing crescent, first quarter, waxing gibbous, full moon, waning gibbous, third quarter, waning crescent
  • Approximately, how old is the sun?
    About 4 billions years old.
  • How many colours are visible in the spectrum of white light?
    Seven colours
  • What do we call the layer of gas that blocks the sun’s harmful rays?
    Ozone layer
  • All planets and asteroids in our solar system _________ around the sun.
    orbit
  • Which two are about the same size: Earth, Mars, Venus, Jupiter?
    Earth & Venus
  • We always see the same side of the moon. True or false?
    True
  • What is the sun made of?
    Mostly hydrogen (also some helium plus traces of other elements).
  • What do we call deep holes in the moon?
    Craters
  • What Italian astronomer was the first to study the stars through a telescope?
    Galilei Galileo.
  • Is the moon circular?
    No (the moon is a spheroid: not completely round but egg-shaped.)
  • What is the smallest planet in our solar system?
    Mercury
  • What planet is famous for its rings?
    Saturn
  • Earth is located in which galaxy?
    The Milky Way
  • Name the order of planets in our solar system?
    Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune.
  • What is the correct name for a shooting star?
    Meteor
  • Why are the planets Mercury and Venus hotter than Earth?
    Because they’re closer to the sun.
  • Shooting stars are actually: comets, meteors or satellites?
    Meteors
  • Which is the largest and roundest: a new moon, a crescent or a full moon?
    Full moon
  • Name the form of transport used to get into space.
    Spaceship
  • What is the name of the next liveable planet after Earth?
    Mars
  • Is the sun a planet or star?
    A star
  • What is the most common type of galaxy in the universe?
    A spiral galaxy