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Genna's Rockin' Crossword Puzzle

Across
These are made up from one or more minerals.
When a large rock survives its trip through space and it strikes the earth, it makes a giant hold called a ____.
The way light reflects off a mineral.
_______ rock is made from pieces of rocks and minerals that forms in layers.
Natural, nonliving solid with a definite chemical structure.
_____ rock forms when magma - the molten rock inside the earth - cools and hardens.
Down
Most of these form from hard parts like bones, shells, and wood.
Particles in these are arranged in a particular repeating pattern.
Rock that forms when heat, pressure or chemical reactions change one type of rock into another kind of rock.
Scale used to find the hardness of minerals.
A minerals true color can be seen in it's _____.
_____ is the dark-colored, organic matter formed from decayed plant and animal remains.