Mt St Helens Topic Crossword

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Across
  1. 3. Name of volcanic mudflows.
  2. 6. Process where a plate slides into the Mantle.
  3. 8. Currents of magma in the Mantle
  4. 9. Broken up sections of the Earth's crust.
Down
  1. 1. The group of volcanoes that Mt St Helens forms a part of
  2. 2. Type of plate boundary where Mt Helens is found.
  3. 4. Example of a tectonic plate.
  4. 5. The thicker and less dense type of crust.
  5. 7. Thickest layer of the Earth
  6. 8. Layer of Earth made up of solid rock