Lesson 3 – Layers of the Atmosphere – Flashcards
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Trophosphere
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The lowest layer of Earth's atmosphere
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Stratosphere
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The second-lowest layer of Earth's atmospere
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Mesosphere
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The layer of Earth's atmosphere immediately above the stratosphere
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Thermosphere
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The outermost layer of Earth's atmosphere
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Ionosphere
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The lower part of the thermosphere
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Exosphere
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The outer layer of the thermosphere
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The middle layer of the Earth's atmoshere is the ___.
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mesosphere
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The lower layer fo the thremosphere is the ___.
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ionosphere
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The upper region of the stratosphere is warm because energy from the sun is absorbed by the ___.
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ozone layer
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The ___ is thicker over the equator than over the poles.
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troposphere
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The exosphere is the outer layer of the ___.
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thermosphere
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The ___ contains almost all the mass of the atmosphere.
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troposphere
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The troposphere is thickest over the ___.
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equator
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Most meteoroids burn up in the ___.
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mesosphere
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Water forms thin, feathery clouds of ice at the top of the ____.
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troposphere
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The ____ is the upper layer of the thermosphere.
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exonosphere
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The temperatuer of the upper stratosphere is ___ than the lower stratosphere
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warmer
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The ___ contains the ozone layer.
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stratosphere
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Which layer of the atmosphere has no definite outer limit?
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thermosphere
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In which layer does Earth's weather occur?
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troposphere
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Which layer is just above the stratosphere?
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mesosphere
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In which layer can air temperatures reach 1800 degrees celsius?
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thermosphere
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Scientists divide Earth's atmosphere into four main layers, classified according to changes
in __.
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temperature
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The name of the molecule that is made up of three oxygen atoms is ____.
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ozone
