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5th Science Test E1

Mr. Olson 5th Grade Science E 1

Mr. Olson 5th Grade E 1Definitions
What kind of luster does a mineral have that reflects light and polished metals have? metallic
How easily a mineral can be scratched is called what? hardness
The melted iron that remains after the smelting process is called what? pig iron
The color of the powder made when a mineral is scratched against a tile is called what? streak
The way light reflects from the surface of a mineral is called what? luster
A mixture of metals is called what? alloy
The way in which a mineral splits along flat surfaces is called what? cleavage
The most common sand in the world is ______ sand. Quartz
What is a solid element or compound from Earth's crust that has a definite chemical composition and crystal shape? mineral
The process of removing metals from ore is called what? smelting
A deposit of sediment that contains important mineral fragments is called a ______. placer
What is a rock material made of sand, gravel, and binder called? concrete
What can you use to estimate the hardness of a mineral? Mohs' Scale
What are minerals from which metals can be removed called? ores
What is the hardest mineral? diamond
What is a mineral made from silicon and oxygen called? quartz
Created by: Kaylee Hoffman