This printable crossword puzzle on the topic of Rocks & Minerals has 24 clues. Answers range from 4 to 12 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
Come in cool colors, shapes, textures, and sizes and are found all around you
Rocks formed from particles of sand, shells, pebbles, and other fragments of materials
Rocks are formed under the surface of the earth from the metamorphosis (change), they have been changed over time by extreme pressure and heat
Come in cool colors, shapes, textures, and sizes and are found all around you.
Rocks formed from particles of sand, shells, pebbles, and other fragments of materials
Rocks are formed under the surface of the earth from the metamorphosis (change), they have been changed over time by extreme pressure and heat.
Rocks are formed when magma (molten rock deep within the earth) cools and hardens, magma cools and solidifies may happens above or below the Earth's surface.
Sedimentary rock. It is made primarily of calcium carbonate or
The most common source of this calcite is the shells of marine organisms. You can see fossils in this rock, such as skeletons of marine animals.
Sedimentary rock. Made up of pebbles, stones, and smaller particles pressed together by the action of waves or water and it is a great clue that river or beach once existed in that location.
Sedimentary rock which is sand grains cemented together into solid stone.
Sedimentary rock made up of angular pebbles cemented together.
Siltstone: Sedimentary rock made from silt particles cemented
Sedimentary made from silt particles cemented together, similar to siltstone but with even finer grain size.
Mixture of molten or semi-molten rock, volatiles and solids that is found beneath the surface of the Earth.
An igneous rock, forms the metamorphic rock granulite when subjected to extreme heat and pressure over time (metamorphism).
Igneous rock, has a glassy surface. Also, a volcanic glass that forms quickly without crystal growth, it can have very sharp edges making it useful as a cutting tool or arrowhead.
Very common igneous rock that contains at least 25% quartz and is sometimes used in construction because of its strength.
Unusual and lightweight rock formed when molten rock is rapidly blown out of a volcano, forming bubbles as it quickly loses pressure and cools at the same time.
Rock formed from volcanic ash.
Help bring metamorphic rock to the Earth's surface.
Type of coal with a high carbon count, few impurities and with a high luster (meaning it looks shiny).
Metamorphic rock formed from the sedimentary rock limestone.
Metamorphic rock formed from the sedimentary rock sandstone.