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Science Section 1- 2

Minerals

QuestionAnswer
Are minerals made of rocks, or are rocks made of minerals? rocks are made of minerals
What are the 4 characteristics of a mineral? naturally formed, nonliving, solid, crystalline structure
What is the smallest part of an element that has all the properties of that element? atom
What is a pure substance that cannot be broken down into simpler substances by ordinary chemical means? element
What is a substance made of 2 or more elements that have been chemically joined or bonded? compound
What is a mineral that is composed of only one element? native element
What is a solid, geometric form of a mineral produced by a repeating pattern of atoms or molecules that is present throughout the mineral? crystal or crystalline structure
90% of all mineral's in the Earth's crust are made up of ________ and ________. All of these minerals are called ________. silicon, oxygen, silicate minerals
What are the six classes of non-silicate minerals? native elements, carbonates, halides, oxides, sulfates, sulfides,
What are three factors that can change the color of a mineral? air, water, impurities
The way a surface reflects light is called ________. luster
What are the three types of mineral luster? metallic, submetallic, nonmetallic
The color of a mineral in powered form is called the mineral's _________. streak
Why is using a mineral's streak more reliable than using color to identify a mineral? Streak is not affected by things like air and water.
The tendency to breakalong smooth, flat surfaces is called _________. cleavage
The tendency of some minerals to break unevenly along curved or irregular sufaces is called ________. fracture
A mineral's resistance to being scratched is called _________. hardness
What do scientists use to determine the hardness of minerals? Mohs hardness scale
What is the softest mineral on the Mohs scale? what is the hardest? Talc and Diamond
The ratio of the mass of a substance to the volume of the substance is its ________. density
What is the usual reference point for the density of other objects? water
the ratio of an object's density to the density of water is called the object's ________. specfic gravity
Created by: nhpride
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