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Earth's Minerals

4th Grade Science Franklin

TermDefinition
Minerals Solid, non-living, natural (made in nature) substance that has a specific repeating pattern is called a __________
1) Luster 2) Streak 3) Hardness 4) Cleave/Break 4 Main Characteristics of Minerals are ______
Luster _______ is the way a mineral reflects light. For example: bright, shiny (like pyrite) or dull, pearly (like talc). Metallic Non-metallic Glass
Streak The _______ of the mineral always stays the same. ______ is the true color of the mineral.
Hardness _______ is determined by the Moh's Scale
Cleave Break patterns of the mineral are called _____________
Moh's Hardness Scale The ____________ is a scale of 1 to 10 to show a minerals hardness
500 There are _________ kinds of minerals.
100 ________ 100 kinds of minerals are most common.
Minerals Rocks are made of________
Diamond The ________ is the hardest of all minerals.
Talc A fingernail scratches ___________ most easily.
Metallic Some examples of luster are shiny, _________, dull, glassy or greasy.
Dull Some examples of luster are shiny, metallic, _______, glassy or greasy.
Sheets Cleave/Break patterns can be irregular, cubes or ___________
Created by: nckings
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