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Ninth Grade (Grade 9) Atmosphere Questions

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Grade 9 Atmosphere
The atmosphere                                                           .
  1. creates the tides.
  2. has no effect on heat gain or loss.
  3. allows heat to escape quickly in order to cool the planet.
  4. keeps heat from escaping too quickly into space.
Grade 9 Atmosphere
In what way does a mountain can affect climate?
  1. absorbing more solar energy at the peak than at the base of the mountain.
  2. causing precipitation to fall mostly on one side of the mountain.
  3. pushing a cool air mass back out over the ocean.
  4. interfering with air currents and affecting Earth's rotation.
Grade 9 Atmosphere
The most abundant gas in Earth's atmosphere is                .
  1. nitrogen
  2. oxygen
  3. carbon dioxide
  4. water vapor
Grade 9 Atmosphere
Which of the following is the outermost layer of the atmosphere?
  1. exosphere
  2. mesosphere
  3. stratosphere
  4. troposphere
Grade 9 Atmosphere
The state of Earth's atmosphere at a certain time and place is called
  1. precipitation.
  2. meteorology.
  3. climate.
  4. weather.
Grade 9 Atmosphere
Meteorology is the study of
  1. the oceans.
  2. Earth's surface.
  3. the atmosphere.
  4. minerals.
Grade 9 Atmosphere
Clouds are made of billions of
  1. elements.
  2. types of gases.
  3. tiny water droplets.
Grade 9 Atmosphere
Doppler radar systems are used
  1. to locate storms.
  2. to track weather balloons.
  3. to determine air temperature.
  4. to determine barometric pressure.
Grade 9 Atmosphere
The lowest layer of the atmosphere is the                .
  1. exosphere
  2. ionosphere
  3. stratosphere
  4. troposphere
Grade 9 Atmosphere
The most abundant gas in the atmosphere is
  1. oxygen.
  2. nitrogen.
  3. carbon dioxide.
  4. water vapor.
Grade 9 Atmosphere
The layer of the atmosphere in which rainstorms occur is the                .
  1. hydrosphere
  2. stratosphere
  3. troposphere
  4. thermosphere
Grade 9 Atmosphere
What process puts water vapor into the atmosphere?
  1. evaporation
  2. precipitation
  3. infiltration
  4. runoff
Grade 9 Atmosphere
What is the main cause of Earth's seasons?
  1. Earth's tilt
  2. Earth's tides
  3. the Moon's revolution around Earth
  4. the gravity between the Moon and Earth
Grade 9 Atmosphere
The atmosphere contains about 78% oxygen.
  1. True
  2. False
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