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Earth's Layers Questions - All Grades

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Grade 8 Earth's Layers
Which Earth layer is composed of Fe and Ni?
  1. crust
  2. mantle
  3. core
Grade 4 Earth's Layers
What is one way scientists have gathered evidence about the structure of Earth's layers?
  1. drilling cores
  2. seismic waves
  3. cave exploration
  4. examining fossils
Grade 6 Earth's Layers
Which of the following is NOT a layer of the earth?
  1. crust
  2. mantle
  3. core
  4. fault
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 8 Earth's Layers
The magnetic field that surrounds Earth is called the                      .
  1. magnetosphere
  2. magnetron
  3. magnetic domain
  4. magnetic polar region
Grade 4 Earth's Layers
Earth's crust can be underwater.
  1. True
  2. False
Grade 4 Earth's Layers
What do Earth's plates float on?
  1. Core
  2. Crust
  3. Upper Mantle
  4. Ocean
Grade 7 Earth's Layers
What are the layers of Earth from inside to out?
  1. Inner Core, Outer Core, Crust, Mantle
  2. Inner Core, Outer Core, Mantle, Crust
  3. Crust, Mantle, Inner Core, Outer Core
  4. Mantle, Outer Core, Inner Core, Crust
Grade 9 Earth's Layers
What caused Earth to develop layers as it cooled?
  1. differences in density
  2. the magnetic field
  3. escaping gases
  4. the speed of rotation
Grade 9 Earth's Layers
What is the general composition of Earth's oceanic crust?
  1. basalt
  2. granite
  3. shale
  4. gneiss
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