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Eleventh Grade (Grade 11) Earth's Layers Questions

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Grade 11 Earth's Layers
The densest layer of Earth is                .
  1. crust
  2. core
  3. lithosphere
  4. mantle
Grade 11 Earth's Layers
The                 is the least dense layer of Earth.
  1. core
  2. mantle
  3. ocean
  4. crust
Grade 11 Earth's Layers
The                 contains both the crust and the upper mantle.
  1. asthenosphere
  2. lithosphere
  3. atmosphere
  4. mesosphere
Grade 11 Earth's Layers
What is the core made of?
  1. Iron
  2. Aluminum
  3. Steel
  4. Iron and Nickel
  5. Both a and c
Grade 11 Earth's Layers
Continental crust is                                          .
  1. denser and more rigid than oceanic crust.
  2. floating on top of the oceanic crust.
  3. thicker than oceanic crust.
  4. younger than the oceanic crust.
Grade 11 Earth's Layers
The layer that contains most of Earth's mass is the
  1. crust.
  2. mantle.
  3. core.
  4. asthenosphere.
Grade 11 Earth's Layers
The densest layer of Earth is
  1. the crust because rotational forces throw heavy materials to the outside.
  2. the crust because the collisions of tectonic plates create tremendous pressures that increases density.
  3. the core because molten iron sank to the center in the early Earth.
  4. the mantle because it is the thickest layer.
Grade 11 Earth's Layers
The lithosphere is the outermost, cool, hard and strong layer of the
  1. core.
  2. biosphere.
  3. geosphere.
  4. hydrosphere.
Grade 11 Earth's Layers
The lithosphere is the outermost, cool, hard and strong layer of the
  1. core.
  2. biosphere.
  3. geosphere.
  4. hydrosphere.
Grade 11 Earth's Layers
Earth's heat originated from which of the following?
  1. gravitation coalescence
  2. the Sun
  3. radioactive decay
  4. all of the above
Grade 11 Earth's Layers
Sandstone is found in which geospheric layer?
  1. crust
  2. mantle
  3. core
  4. hydrosphere