Science

7th

grade

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Life in Space

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10 questions

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  • 1. Multiple Choice
    30 seconds
    1 pt
    What is the most important factor that determines Earth’s temperature?
    Distance to the Moon
    Gas composition of the atmosphere
    Proximity to the Sun
    Amount of water on the planet
  • 2. Multiple Choice
    30 seconds
    1 pt
    If Earth were much smaller, it would not support life because it would not have enough mass to
    collect needed radiant energy from the Sun.
    maintain a gravitational pull on the Moon.
    have sufficient gravity to hold an atmosphere.
    rotate on its axis once per day.
  • 3. Multiple Choice
    2 minutes
    1 pt
    What conditions would you look for if you were looking for life on moons or other planets besides Earth?
    Moderate temperature, ice, and the presence of a gas containing atmosphere.
    Cold temerature, liquid water, and the absence of gas containing atmosphere.
    Moderate temperature, liquid water, and presence of a gas containing atmosphere.
    Hot temperature, liquid water, and the absence of gas containing atmosphere.
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