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Earth's Spheres (Grade 8)

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Earth's Spheres

Earth's outermost sphere is called the
  1. biosphere
  2. atmosphere
  3. lithosphere
  4. hydrosphere
What part of the Earth contains rocks?
  1. Biosphere
  2. Hydrosphere
  3. Atmosphere
  4. Lithosphere
Which is the thinnest of the Earth's spheres?
  1. biosphere
  2. atmosphere
  3. hydrosphere
  4. geosphere
What of Earth's spheres is composed of a mixture of gases?
  1. geosphere
  2. hydrosphere
  3. atmosphere
  4. biosphere
What sphere refers to solid water and ice?
  1. atmosphere
  2. cryosphere
  3. lithosphere
  4. biosphere
What is Earth's hydrosphere?
  1. the gases in the air
  2. the solid, rocky part of Earth
  3. all of the water on the planet
  4. the study of Earth's atmosphere
The                 is the sphere inhabited by life.
  1. biosphere
  2. geosphere
  3. atmosphere
  4. hydrosphere
What part of the hydrosphere penetrates the geosphere?
  1. sandstone
  2. magma
  3. groundwater
  4. mantle
What parts of the Earth make up the hydrosphere?

Explain how a bird uses the biosphere, atmosphere, hydrosphere, and lithosphere.

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