This printable crossword puzzle on the topic of Plate Tectonics & Volcanoes has 12 clues. Answers range from 4 to 15 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
the spread of lava
where molten rock and gas leave the volcano
where magma moves upward through a long tube
a pocket of magma beneath the surface
material found in magma that makes oxygen and silicon
the mixture of hot gases, ash, cinders, and bombs
a mountain that belches magma
a bowl-shaped area that may form at the top of a volcano
a sleeping volcano
a dead volcano
when magma reaches the surface
a major belt of volcanoes