Pic-A-Project Crossword

Plate boundary that slides past each other
Plate boundary that come together
Plate boundary that move away from each other
Hard substances composed of two or more minerals
Rock formed from hot, fluid magma or lava, "born of fire"
Rocks formed when particles of rock (sediments) are carried and deposited by wind and water
Small particles of rock
Rock formed when chemical changes, heat or pressure, change a rock, "changed rocks"
The continuous changing of rocks from one form to another over long periods of time
Naturally occurring, inorganic solid having a definite crystalline structure and unique chemical composition
Repeating pattern of a mineral having flat sides that meet in sharp edges and corners
The way a mineral reflects light
The ability of a mineral to resist being scratched
The color of the powder scraped off of a mineral when rubbed against a rough, hard surface
The amount of matter in a given volume
When a mineral splits into smooth, definite surfaces
When a mineral breaks along rough or jagged surfaces
Minerals or combinations of minerals from which metals and nonmetals are extracted
Elements the are shiny, conduct heat and electricity, can be stretched into wires and bent into different shapes
Elements with dull surfaces, are poor conductors of heat and electricity, are not able to be stretched into wires or bent into different shapes