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Ninth Grade (Grade 9) Earth Science Questions

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Grade 9 Earth's Layers
The magnetic field is likely generated by                                                .
  1. the tilt of Earth's rotational axis.
  2. the solar wind.
  3. fluid movements in the outer core.
  4. deformation of the asthenosphere.
  5. a large deposit of magnetite at the North Pole.
Grade 9 Minerals
The regular repeating arrangement of ionic bonds form                     .
  1. a covalent bond.
  2. a crystal.
  3. a covalent compound.
  4. an electrolyte.
Grade 9 Environmental Science
What is the main way that humans put excess carbon dioxide into the atmosphere?
  1. spilling oil into the ocean
  2. burning fossil fuels
  3. creating carbonated beverages
Grade 9 Earth's Layers
What is the most abundant element found in the crust?
  1. silicon
  2. carbon
  3. iron
  4. oxygen
Grade 9 Geomorphology
The main process that forms a beach is                .
  1. weathering
  2. erosion
  3. deposition
  4. oxidation
Grade 9 Environmental Science
Natural gas is a
  1. renewable resource.
  2. nonrenewable resource.
Grade 9 Environmental Science
Nitrogen is not a greenhouse gas. This is because nitrogen
  1. absorbs UV radiation.
  2. breaks down UV radiation.
  3. scatters UV radiation.
Grade 9 Minerals
What is a mineral's streak?
  1. the resistance to being scratched
  2. the color of the mineral in powder form
  3. the way which a mineral reflects light
  4. the way a mineral reacts to hydrochloric acid
Grade 9 Atmosphere
What process puts water vapor into the atmosphere?
  1. evaporation
  2. precipitation
  3. infiltration
  4. runoff
Grade 9 Environmental Science
The majority of energy used by the United States comes from
  1. fossil fuels.
  2. solar power.
  3. geothermal power.
  4. hydroelectric power.
Grade 9 Atmosphere
The atmosphere contains about 78% oxygen.
  1. True
  2. False
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 Historical Geology
Preserved remains of an organism would be called a                .
  1. preservative
  2. DNA
  3. hyperbolic
  4. fossil
Grade 9 Tectonics
Rocks formed from the cooling lava of volcanic eruptions are                  .
  1. limestone rock
  2. sedimentary rock
  3. igneous rock
  4. metamorphic rock
Grade 9 Earth's Layers
What is the name of the area where seafloor plate H is moving under continental plate E?
Subduction Zone
  1. Divergent boundary
  2. Subduction Zone
  3. Mid-Ocean Ridge
  4. Rift Valley
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