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Ninth Grade (Grade 9) Science Questions

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Grade 9 :: Ecology by mrsbateacher
In the nitrogen cycle, nitrogen is fixed by
  1. nitrogen-fixing bacteria
  2. lightning
  3. a only
  4. a and b
  5. none of the above
Grade 9 :: Geomorphology by CaryBloomquist
A glacier will retreat if
  1. more ice accumulates than melts.
  2. it gains ice at the same rate that ice melts.
  3. more ice melts than accumulates.
  4. the ice melts slower than it accumulates.
Grade 9 :: Tectonics by CaryBloomquist
What force ultimately drives plate motion in the theory of plate tectonics?
  1. the sun's energy
  2. ridge-push
  3. slab-pull
  4. unequal distribution of heat within Earth
Grade 9 :: Tectonics by CaryBloomquist
What is a fault?
  1. the point inside Earth at which an earthquake occurs
  2. the point on Earth's surface directly above the earthquake focus
  3. a fracture in Earth along which movement has occurred
  4. a fracture in Earth along which NO movement has occurred
Grade 9 :: Geomorphology by CaryBloomquist
What are the two main types of glaciers?
  1. icebergs and stable glaciers
  2. alpine glaciers and ice sheets
  3. freshwater and salt water
Grade 9 :: Geomorphology by CaryBloomquist
Sediment deposited directly by glacial ice is called
  1. unsorted till.
  2. sorted glacial drift.
  3. stratified drift.
  4. rock flour.
Grade 9 :: Environmental Science by mrsbateacher
Which cycle most likely includes photosynthesis, respiration, industrial pollutants, and fossil fuels?
  1. water cycle
  2. rock cycle
  3. carbon-oxygen cycle
  4. nitrogen cycle
Grade 9 :: Periodic Table and Elements by wmcraigg1958
What is the element symbol for Oxygen?
  1. Al
  2. O
  3. Pb
  4. Sn
Grade 9 :: Periodic Table and Elements by wmcraigg1958
Nitrogen is a metal.
  1. True
  2. False
Grade 9 :: Periodic Table and Elements by wmcraigg1958
Sulfur is a non-metal.
  1. True
  2. False
Grade 9 :: Genetics by TeacherClara
Which nitrogenous bases are paired correctly?
  1. AB-CD
  2. AT-CG
  3. AC-DC
  4. AC-TG
Grade 9 :: Phases of Matter by NatureTeacher
When water freezes it forms a lattice pattern and
  1. expands
  2. sinks
  3. evaporates
  4. melts
Grade 9 :: Periodic Table and Elements by wmcraigg1958
Carbon is a non-metal.
  1. True
  2. False
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