unit 7 and 8

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Across
  1. 3. makes seasons
  2. 7. the moon is between the sun and Earth. The sun ‘disappears’ in the shadow of the moon
  3. 9. parial eclipse is here
  4. 10. At subduction zones where oceanic plates dive below continents we have volcanic mountains.
  5. 11. Neither plate can go anywhere so mountains are pushed up (folding).
  6. 13. the Earth is between the sun and moon
Down
  1. 1. A volcano formed by alternating layers of tephra (rocky ash) and lava. These are found mostly at subduction zones. They are explosive. The continental crust creates a thick (viscous) magma that plugs the central vent. The pressure builds up until it explodes.
  2. 2. makes day and night
  3. 4. is the wearing away over time
  4. 5. A gently sloped volcano formed when runny lava flows over a large area. The oceanic crust creates a thin (not viscous) magma that is not explosive.
  5. 6. (mountain building)
  6. 8. occur along Fault lines
  7. 12. At midocean rift zones magma is surfacing which creates new oceanic plates, volcanic mountains.
  8. 14. full eclipse is here