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Rocks & Minerals
Science
| Question | Answer |
|---|---|
| List four characteristics all minerals share | solid, organic, naturally occurring, chemical composition |
| List five properties that help identify minerals | color, streak, hardness, luster, ? |
| How would a collector of minerals determined the hardness of an unknown mineral specimen? | Hardness scale and hardness test |
| Type of rock: sandstone | sedimentary |
| Type of rock: granite | igneous |
| Type of rock: rock salt | sedimentary |
| Type of rock: obsidian | igneous |
| Type of rock: gneiss | metamorphic |
| Type of rock: slate | metamorphic |
| Type of rock: limestone | sedimentary |
| rocks formed by changes in heat and pressure or the presence of hot, watery fluids | metamorphic rocks |
| rocks formed from molten material | igneous rocks |
| rocks formed from sediments | sedimentary rocks |
| igneous rocks formed on or near Earth's surface | extrusive |
| layered metamorphic rocks | foliated |
| process by which sediments are pressed together to form rock | compaction |
| light-colored igneous rocks with a lower density than basaltic rocks | granitic |
| dense, dark-colored igneous rocks | basaltic |
| metamorphic rocks that don't have layers | nonfoliated |
| process by which large sediments are glued together by dissolved minerals to form rock | cementation |
| igneous rocks formed below Earth's surface | intrusive |
| bits of weathered rock, minerals, grains, plants, and animals that have been eroded | sediments |
| model that illustrates the processes that create and change rocks | rock cycle |
| magma that reaches Earth's surface and flows from volcanoes | lava |
| a mixture of minerals, organic matter, volcanic glass, or other materials | rock |
| The crystals that form in slowly cooling magma are generally | large |
| Detrital rocks are named according to | the size and shape of the sediments |
| Sedimentary rocks are usually classified as | detrital, chemical, or organic |
| Pumice, obsidian, and scoria are kinds of | volcanic glass |
| The rock cycle indicated that each type of rock can | be changed by natural processes |
| Detrital rocks are | made of fragments of other rocks |
| The changes that take place in the rock cycle | never create nor destroy matter |
| Andesitic rocks have mineral compositions between those of ___ and basaltic rocks | granitic |
| Sedimentary rocks are | formed from already existing rocks that are weathered and eroded |
| A classification of metamorphic rocks would include whether they are | formed from already existing rocks that are weathered and eroded |
| Quartz is a mineral; granite is | a rock |
| Metamorphic rocks can be formed from | the presence of hot, watery fluids, temperature, and pressure |
| lava that cools quickly forms __ rocks | extrusive igneous |
| foliated rocks are distinguished by | layers |
| The processes involved in the rock cycle include | erosion, weathering, compaction |
| magma that cools below Earth's surface forms __ rock | intrusive igneous |
| One of the softest minerals is | graphite |
| a salt crystal is __ in shape | cubic |
| most common rock-forming minerals are | silicates |
| crystals may be | cubic, monoclinic, tetragonal |
| A mineral is classified as an ore as long as | it's profitable and usefuel |
| Most minerals are composed of ___ combined with other elements | silicon and oxygen |
Created by:
estraub
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