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T or F: The hot melted rock that makes up the mantle of the earth is called lava.
False: magma
T or F: If a substance is a mineral, it cannot be a metal.
False: minerals can be metals
Gemstone that are beautiful and rare are called
precious stones
_____ is the loose material on the surface of the earth in which plants can grow
Soil
Name one type of igneous rock.
granite, pumice, obsidian, basalt
Name one type of sedimentary rock.
sandstone, conglomerate, coal, limestone, chalk
Name one type of metamorphic rock.
slate, marble, gneiss
The way a mineral reflects light is called its
luster
The ability of a mineral to resist scratching is called
hardness
A _____ is a hard, natural substance made of one or more minerals that contain organic materials.
rock
A _________ is a mineral that can be cut and polished for use.
gemstone
The Mohs scale is used to determine the hardness of
minerals
Name the four layers of the earth.
inner core, outer core, mantle, crust
