Earth's Atmosphere
7th - 8th grade
2659 times
Other Sciences
59%average accuracy
2 years ago
burskeyj
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13 QuestionsShow answers
  • Question 1
    30 seconds
    Q. What is the most common gas in the atmosphere?
    answer choices
    nitrogen
    oxygen
    water vapor
    carbon dioxide
  • Question 2
    30 seconds
    Q. Oxygen makes up approximately ____% of the gases in the atmosphere.
    answer choices
    20
    40
    60
    80
  • Question 3
    30 seconds
    Q. What decreases with altitude throughout Earth's atmosphere?
    answer choices
    density
    pressure
    density and pressure
    temperature and density
  • Question 4
    30 seconds
    Q. What is the correct order of earth's atmospheric layers from bottom to top?
    answer choices
    Stratosphere, Mesosphere, Troposphere, Thermosphere, Exosphere.
    Stratosphere, Troposphere, Mesosphere, Thermosphere, Exosphere.
    Stratosphere, Troposphere, Thermosphere, Mesosphere, Exosphere.
    Troposphere, Stratosphere, Mesosphere, Thermosphere, Exosphere.
  • Question 5
    30 seconds
    Q. Why is atmospheric pressure greatest in the troposphere?
    answer choices
    gravity compresses the atmosphere as it pushes the gases down
    thermal and kinetic energy are the highest near the surface
    the coldest temperatures in the atmosphere are at Earth's surface
    the matter in the troposphere is the least dense
  • Question 6
    30 seconds
    Q. The layers of Earth's atmosphere are determined by changes in _________.
    answer choices
    temperature
    density
    pressure
    color
  • Question 7
    30 seconds
    Q. Which layer of the atmosphere has the highest density of gas molecules and highest atmospheric pressure?
    answer choices
    troposphere
    mesosphere
    stratosphere
    thermosphere
  • Question 8
    30 seconds
    Q. What is the atmospheric layer closest to the surface?
    answer choices
    troposphere
    stratosphere
    mesosphere
    thermosphere
  • Question 9
    30 seconds
    Q. Directly above the troposphere is the _________.
    answer choices
    stratosphere
    mesosphere
    exosphere
    thermosphere
  • Question 10
    30 seconds
    Q. Within the stratosphere is the ozone layer. What does the ozone layer do?
    answer choices
    It protects us from meteors
    It protects us from violent solar flares
    It protects us from ultra violet radiation
    It helps us breathe
  • Question 11
    30 seconds
    Q. Directly above the stratosphere is the _________.
    answer choices
    mesosphere
    troposphere
    thermosphere
    exosphere
  • Question 12
    30 seconds
    Q. In which two layers does temperature decrease with altitude?
    answer choices
    mesosphere and troposphere
    troposphere and stratosphere
    stratosphere and thermosphere
    thermosphere and exosphere
  • Question 13
    30 seconds
    Q. In which layer do virtually all weather phenomena take place?
    answer choices
    troposphere
    mesosphere
    stratosphere
    thermosphere
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