Science

1234567891011
Across
  1. 2. are large blobs of magma that harden in the air. The shape of this bomb was caused
  2. 3. a funnel-shaped pit near the top of the central vent of a volcano
  3. 4. the large pieces of pyroclastic material, are pieces of solid rock erupted from a volcano
  4. 7. an area of deep cracks that forms between two tectonic plates that are pulling away from each other
  5. 11. a wide, flat landform that results from repeated nonexplosive eruptions of lava that spread over a large area
Down
  1. 1. when magma is less dense than the surrounding rock, it rises toward the surface
  2. 4. a vent or fissure in the Earth's surface through which magma and gases are expelled
  3. 5. a large, semicircular depression that forms when the magma chamber below a volcano partially empties and causes the ground above to sink
  4. 6. a volcanically active area of Earth's surface far from a tectonic plate boundary
  5. 8. chamber the body of molten rock that feeds a volcano
  6. 9. this lava pours out and dry cold
  7. 10. an opening at the surface of the Earth through which volcanic material passes