Unit 5: Week 4: Now We Know

10 words 67 learners

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Full list of words from this list:

words only definitions & notes
  1. approximately
    imprecise but fairly close to correct
    Kites and balloons could reach altitudes of approximately three kilometers.
  2. astronomical
    relating to the branch of physics studying celestial bodies
    They gathered astronomical data about the ages of planets and galaxies.
  3. calculation
    determination by mathematical or logical methods
    Each observation and calculation led him to support a radical new model of the solar system.
  4. composition
    the way in which someone or something is put together
    From these heights, scientists could study the composition and relative thinness of our layered atmosphere.
  5. criterion
    the ideal in terms of which something can be judged
    This weekend’s forecast may provide the main criteria for planning outdoor activities.
  6. diameter
    the length of a straight line through the center of a circle
    Sensors and supercomputers measured things such as Earth’s diameter with incredible accuracy.
  7. evaluate
    judge; form a critical opinion of
    New technology allowed scientists to evaluate theories better than ever.
  8. orbit
    move in a path described by a body revolving around another
    In the heliocentric version proposed by the scientist Copernicus, the Sun did not orbit the Earth.
  9. celestial
    of or relating to the sky
    As a result of his heightened vision, he could see stars, planets, and other celestial spheres with new clarity.
  10. sphere
    a round three-dimensional closed surface
    As a result of his heightened vision, he could see stars, planets, and other celestial spheres with new clarity.
Created on Wed Jul 08 13:53:43 EDT 2020 (updated Thu Jul 09 14:43:21 EDT 2020)

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