Solids

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Across
  1. 6. half of a sphere
  2. 7. prism three-sided prism
  3. 8. three-dimensional shape in geometry
  4. 10. a crystal structure
  5. 11. cylinder a cylinder that is empty from the inside
Down
  1. 1. a three-dimensional solid
  2. 2. a three-dimensional solid
  3. 3. prism prism with a pentagonal base
  4. 4. three-dimensional analogue to a two-dimensional circle
  5. 5. prism prism with hexagonal base
  6. 8. a convex polyhedron
  7. 9. pyramid three-dimensional 3D shape