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Unit 9: Life in Space

Quiz by Nikki McCurry

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7 questions
Show answers
  • Q1
    The study of which two planets that are Earth's neighbors in the Solar System is beneficial in allowing scientists to better understand Earth?
    Mars and Jupiter
    Saturn and Venus
    Venus and Mars
    Mercury and Pluto
    30s
  • Q2
    Which of the following factors that the other planets in the solar system do not have contribute to the support of life on Earth?
    the daily retrograde rotation
    the presence of a moon
    the presence of water
    the year-long revolution around the sun
    30s
  • Q3
    Why are non of the outer planets likely to support life similar to that of Earth?
    they are all too large to support life
    living things cannot survive on a planet that does not have regular seasons
    the outer planets are so large that their tidal effects on one another are too strong to allow life to develop
    They are so far from the sun that there is not enough solar radiation to support life
    30s
  • Q4
    One reason that life exists on Earth is that there is enough oxygen in the atmosphere. To the nearest percent what percentage of Earth's atmosphere is oxygen?
    50%
    97%
    21%
    75%
    30s
  • Q5
    What does a rocket need to carry so that fuel can be burned when the rocket is in space?
    oxygen
    carbon dioxide
    nitrogen
    argon
    30s
  • Q6
    What would happen to a rocket that is traveling with a velocity that is less than orbital velocity?
    the rocket would orbit Earth
    the rocket would travel to the moon
    the rocket would not be able to life off Earth's surface
    the rocket would fall back to the Earth
    30s
  • Q7
    What is the correct term for the speed and direction a rocket must travel to break away completely from a planet's gravitational pull?
    terminal velocity
    escape velocity
    maximum velocity
    orbital velocity
    30s

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