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Sixth Grade (Grade 6) Earth Science Questions

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Grade 6 Rocks
Which type of rock is crystallized from melted rock?
  1. sedimentary
  2. igneous
  3. metamorphic
  4. chemical
Grade 6 Environmental Science
Which of the following sciences contribute to the field of environmental science?
  1. physics and chemistry
  2. biology and earth science
  3. social sciences
  4. all of the above
Grade 6 Tectonics
The theory that Earth's upper layer is divided into plates that are moving at a slow and steady speed.
  1. subduction
  2. plate tectonics
  3. deep-ocean trenches
  4. seafloor spreading
Grade 6 Geomorphology
Which of these terms describes the process of acid rain wearing away limestone?
  1. cryptic erosion
  2. chemical weathering
  3. cryptobiotic weathering
  4. chemical erosion
Grade 6 Atmosphere
What of Earth's spheres is composed of a mixture of gases?
  1. geosphere
  2. hydrosphere
  3. atmosphere
  4. biosphere
Grade 6 Tectonics
The currents responsible for making the lithosphere move are called
  1. seafloor spreading.
  2. conduction currents.
  3. convection currents.
Grade 6 Earth's Layers
Most magma forms in                   .
  1. continental crust.
  2. the lithosphere.
  3. the asthenosphere.
  4. ocean crust.
Grade 6 Environmental Science
Which best describes the relationship between Earth's four spheres?
  1. system
  2. isolated
  3. separate
  4. unchanging
Grade 6 Rocks
Which best classifies the rock shown?
Rock - Metamorphic - Gneiss
  1. igneous
  2. sedimentary
  3. metamorphic
Grade 6 Rocks
Which best classifies the rock shown?
Rock - Sedimentary - Conglomerate
  1. igneous
  2. sedimentary
  3. metamorphic
Grade 6 Earth's Layers
Continental crust is denser than oceanic crust.
  1. True
  2. False
Grade 6 Atmosphere
What is a cloud?
  1. A large collection of very tiny droplets of water or ice crystals.
  2. A bright flash of electricity produced by a thunderstorm.
  3. Air in motion.
  4. A violent rotating column of air extending from a thunderstorm to the ground.
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