Volcanoes and Igneous Rocks Crossword
This printable crossword puzzle on the topic of Plate Tectonics & Volcanoes has 12 clues. Answers range from 5 to 13 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
Description
Materials are dense and darker in color ( oceanic crust )
Materials are less dense and lighter in color
lava cools quickly on Earth's surface
lava cools quickly slowly under the Earth's surface
Large , flat, wide volcano that is builds horizontally
tall, mountian-like , volcano that grows vertically layer by layer with each violent eruption
Magma with medium viscosity produces this , the most common types of volcanoes , they are also typically the smallest
lava cools to fast for crystallization to occur
a form of glass texture with air pockets ( bubbles )
dull and individual mineral grains are to small to see
magma cools over long periods of time allowing visible mineral crystals to grow
Thickness of lava
