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YLC6_Unit 12_Video about the red planet

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    Check understanding about the video
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  • Mars is the (second / fourth) smallest planet in our solar system.
    second
  •  5
  • Mars used to be much (cooler / warmer) billions of years ago.
    warmer
  •  5
  • We know that Mars once (had lakes / supported life).
    had lakes
  •  5
  • Mars’s volcanoes are (still active / now extinct).
    now extinct
  •  5
  • To the ancient Romans, Mars was the god of ___________.
    war
  •  10
  • Mars has many __________, like Olympus Mons.
    volcanoes
  •  15
  • Today, you can find _______ at Mars’s poles.
    ice
  •  10
  • Some scientists think there was once _______ on Mars.
    life
  •  10
  • To the ancient Romans, Mars represented ____________.
    blood and war.
  •  20
  • When did Mars form?
    Mars formed about 4.5 billion years ago.
  •  25
  • Mars' diameter is (more / less) than the width of Africa.
    less
  •  5
  • How tall is Olympus Mons compared to Mount Everest?
    It's 16 miles (25 kilometers) high which makes it about three times higher than Mt. Everest.
  •  25