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science chapter 2 mo
| Question | Answer |
|---|---|
| what is not a characteristic of a mineral?? | it is formed in a laboratory |
| a solid whose atoms, ions, or molecules are arranged in a definite pattern?? | crystal |
| a mineral that is composed of only one element? | native element |
| what two groups are minerals divided into based on their composition? | silicon and nonsilicon |
| which silicate is the main componet of most rocks on Earht's surface? | feldspar |
| which silicate minerals separate easily into sheets when they break? | mica |
| what silicate mineral is the basic building block of many rocks? | quartz |
| copper, gold, and silver | native elements |
| what other factor besides air and water change the color of a mineral? | impurities |
| the way a surface reflects light is called | luster |
| why is using minerals' streak more reliable than using color to identify a mineral?? | cuz streak can be a different color of the rock itself, and the streak is its real color |
| a mineral's resistance to being scratched is | hardness |
| what is the sofest rock on the Mohs scale | talc |
| the special property of calcite and fluorite that causes them to glow under ultraviolet light is | florence |
| a mineral deposit large and pure enough to be mined for profit is called a(n) | or |
| name 2 methods by which rocks and minerals are remover from the gorund | surface mining and subsurface mining |
| open pits and quarries are types of | surface mines |
| describe two problems that can cause results from mining | mining can destroy or disturb the habitats of plants and animals. Also the water products from a mine a may get into water sources surface water and groundwater |
| the process of returning land to its original state after mining is | reclamation |
| one way to reduce the effects of mining is to reduce our need for minerals. How can we reduce our need for minerals? | By recycling many of the mineral products that we currently use, such as aluminum |
| metallic minerals are good conductors for | heat and electricity |
| silica and calcite are _________ minerals that are wildly used in industry | nonmetallic |
| nonmetallic minerals that are valued for their beauty and rarity rather than their usefulness are called | gemstones |
Created by:
cheer28
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