This printable crossword puzzle on the topic of Plate Tectonics & Volcanoes has 20 clues. Answers range from 5 to 18 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
The small submarine that explores the ocean floor
The evidence Wegener used to support his hypothesis
Continents moving across the surface of the earth over a period of time
Plates moving together
Underwater cannon
When plates move apart
How scientists obtained rock from the ocean floor
Breaks in earth's crust
The remains or an impression of an organism preserved in rock
A long chain of mountain ranges formed on the ocean floor
All the continents joined together
Massive slab of solid rock in earth's litosphere
A theory about the plates always moving
Where earth's crust go on land and create a valley
A fault that is a transform boundary
When magma comes out of mid-ocean ridges it creates new areas of oceanic crust
When the edge of a plate of the earths crust moves underneath another
A geologist that mapped the ocean floor
Plates sliding past each other
Scientist that studied how the continents fit together