This printable crossword puzzle on the topic of Plate Tectonics & Volcanoes has 13 clues. Answers range from 4 to 10 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
Magma that has reached Earth's surface
Lava that is low in viscosity and high in temperature
A boundary where two plates are moving toward each other
The scale that measures an earthquake's magnitude
A weak spot in the Earth's Crust that allows magma to reach Earth's surface
A boundary where two plates move away from each other
"Earth Heat"
A volcano that is unlikely to erupt ever again
An earthquake that occurs after a larger earthquake in the same area
The resistance of a liquid to flow
The area beneath Earth's surface where rock that is under stress breaks and triggers an earthquake
Stress that pulls apart
Stress that pushes a mass of rock in two opposite directions