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Science Section 1- 2
Minerals
| Question | Answer |
|---|---|
| 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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