Volcano Unit - Early Finisher Worksheet

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Across
  1. 5. flat landform formed by repeated lava flows
  2. 6. huge bowl-like depression caused by volcano collapse
  3. 11. a tall, cone-shaped mountain in which layers of lava alternate with layers of ash and other volcanic materials
  4. 12. fragmented rock and volcanic glass ejected during explosive eruptions
  5. 13. a type of lava flow that has a jagged, blocky surface
  6. 16. smooth, rope-like lava
  7. 18. area where Earth’s crust pulls apart and magma rises
  8. 19. largest solid chunks of rock ejected from a volcano
Down
  1. 1. molten rock that reaches Earth's surface
  2. 2. large glowing blobs of lava flung through the air
  3. 3. thick, slow, jagged lava that breaks into sharp pieces
  4. 4. opening in Earth’s crust where lava and gas escape
  5. 6. small, steep-sided volcano made from piles of volcanic cinders and ash that erupt from a single vent
  6. 7. tiny, powdery rock fragments blasted into the air
  7. 8. lava that cools underwater in rounded shapes
  8. 9. a wide, gently sloping mountain made of layers of lava and formed by nonexplosive eruptions
  9. 10. large underground pocket where magma collects
  10. 14. pebble-sized bits of hardened lava
  11. 15. super-hot area in the mantle that forms volcanoes
  12. 17. a vent or fissure in the Earth's surface through which magma and gases are expelled