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7th Weekly Assessment in Science 7

Quiz by April Francisco

Grade 7
Science
Philippines Curriculum: Grades K-10 (MELC)

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15 questions
Show answers
  • Q1

    It is an unstable bluish gas composed of three atoms of oxygen.

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    30s
  • Q2

    It is a layer in atmosphere  that contain a tiny fraction of the atmosphere.

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    30s
  • Q3

    The nearest layer to the earth’s surface is called? 

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    30s
  • Q4

    The greenhouse gases released by human activities have two fold effects- they intensify the atmospheric temperature into a phenomenon called _______, and destroy the ozone layer.

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    30s
  • Q5

    It is the natural warming of the Earth attributable to the presence of atmospheric gases.

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    30s
  • Q6

    It contributesto 50% of the earth’s global warming.

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    30s
  • Q7

    It is a type of gas found in pressurized spray can, polystyrene, solvents, refrigerator, and air-conditioning units.

    Users re-arrange answers into correct order
    Jumble
    30s
  • Q8

    It contributes to 8% of the global warming phenomenon on Earth.

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    Jumble
    30s
  • Q9

    It is a type of gas found in landfills, wetlands, flooded rice paddies, natural gas, and biomass burning.

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    Jumble
    30s
  • Q10

    It is the boundary of mesosphere.

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    Jumble
    30s
  • Q11

    Mesosphere absorbs the ultraviolet radiation.

    false
    true
    True or False
    30s
  • Q12

    Tropopause is the boundary layer of troposphere.

    true
    false
    True or False
    30s
  • Q13

    Stratosphere is also ionosphere because it has percentage of ions.

    false
    true
    True or False
    30s
  • Q14

    Human activities are now changing the structure of the atmosphere.

    true
    false
    True or False
    30s
  • Q15

    Greenhouse gases are heat-trapping gases.

    true
    false
    True or False
    30s

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