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Midterm review

Quiz by Joan Dyer

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50 questions
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  • Q1
    The smallest chemical unit of matter
    atom
    30s
  • Q2
    Two or more atoms linked together to make a substance with unique properties
    molecules
    30s
  • Q3
    Base metric unit for mass
    gram
    30s
  • Q4
    Base metric unit for distance
    meter
    30s
  • Q5
    Base metric unit for volume
    liter
    30s
  • Q6
    Base metric unit for time
    minute
    hour
    second
    day
    30s
  • Q7
    The quantity of a substance within a certain volume
    concentration
    30s
  • Q8
    The moisture content of air
    Humidity
    30s
  • Q9
    The mass of water vapor contained in a certain volume of air
    Absolute humidity
    30s
  • Q10
    The ratio of the mass of water vapor in the air at a given temperature to the maximum mass of water vapor the air could hold at that temperature, expressed as a percentage
    Relative humidity
    30s
  • Q11
    The number of molecules (or atoms) of a substance in a mixture for every 1 million molecules (or atoms) in that mixture
    Parts per million
    30s
  • Q12
    The process by which certain gases (principally water vapor, carbon dioxide, and methane) trap heat that radiates from the earth
    Greenhouse effect
    30s
  • Q13
    The mass of air surrounding a planet
    Atmosphere
    30s
  • Q14
    The pressure exerted by the atmosphere on all objects within it
    Atmospheric pressure
    30s
  • Q15
    An instrument used to measure atmospheric pressure
    barometer
    30s

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