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Ch6L1 Rocks Minerals

Big Idea: What are Earth's Resources?

QuestionAnswer
Solid material of Earth's crust with a distinct compostion p. 302 mineral
Never ending process in which rocks change from one kind into another p. 306 rock cycle
Is the way a mineral reflects light from its surface luster
Metallic luster look shiny
Is a measure of how well a mineral resists scratching hardness
When the surfaces are smooth, the property is cleavage
The property a mineral shows when it has uneven or rough surfaces fracture
Fixed pattern shapes geometric shapes in minerals are crystals
Rare and beautiful minerals such as emeralds and diamonds are gems
Pressure that squeezes bits of soil, sand, and dust are called __________ rock sedimentary
Rocks that are pushed under Earth's surface heated and pressured and melted are called __________ rock igneous
Rocks that form when sedimentary and igneous rocks change under heat and pressure WITHOUT MELTING are called __________ rock metamorphic
Igneous rock that forms from magma inside Earth is called __________ rock intrusive
Igneous rock that forms from lava on Earth's surface is called __________ rock extrusive
Two examples of extrusive rock are _____ _____ pumice obsidian
Some sedimentary rocks that are made of different materials that have been compacted and cemented together are called _____ rock conglomerate
________ is an example of sedimentary rock It is used as decorations outside houses and in cement limestone
Two examples of metamorphic rock are _____ ____ slate marble
Rocks can be classified into three groups they are ______ ______ ______ igneous sedimentary metamorphic
Rocks form and change into new forms during this process rock cycle
From what material does an extrusive rock form from __________? lava
Which property of a mineral is that it breaks into smooth surfaces? cleavage
Is a rock that contains a useful mineral ore
Combination of iron and carbon, it is not a mineral becuse it is made by people steel
This is used to measure the hardness of a mineral by scratching Mohs' hardness scale
What are two properties of a mineral luster hardness
These two steps in the rock cycle break down rock and drop it off at a new location weathering deposition
Created by: 69boners69
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