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ch 6 science
Sean's study guide
31
Science
4th Grade
11/14/2016

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Cards

Term
the color of a powder that a mineral leaves when it is scratched across a special plate
Definition
STREAK
Term
a rock rich in valuable minerals that can be removed from the earths crust
Definition
ORE
Term
a type of rock that forms when layers of sediments settle on top of one another and harden
Definition
SEDIMENTARY
Term
the process that recycles rock into new types of rock
Definition
ROCK CYCLE
Term
property of a mineral that describes how the mineral reflects light
Definition
LUSTER
Term
type of rock formed when heat and pressure change properties of rocks
Definition
METAMORPHIC
Term
a natural, nonliving, solid crystal that makes up rocks
Definition
MINERAL
Term
a type of rock that forms from molten rock
Definition
INGNEOUS
Term
a property of minerals that break along a smooth flat surface
Definition
CLEAVAGE
Term
List 6 ways to classify minerals.
Definition
Luster, hardness, color, streak, crystal shape and cleavage
Term
It has a pearly luster. It can be white, apple green, or gray. It has the hardness of one.
Definition
Talc
Term
It is clear when it is pure. It has a hardness of seven. It has six-sided crystals.
Definition
Quartz
Term
It has a pearly white luster. It reacts with vinegar. It has a hardness of three.
Definition
Calcite
Term
It has flat crystals with sharp edges. It is often pink or white. It has a hardness of six.
Definition
Feldspar
Term
It is always yellow. It has a dull to glassy luster. It smells like rotten eggs.
Definition
Sulfur
Term
It can be scratched only by diamonds. Its crystals look like hexagons. It has a hardness of nine.
Definition
Term
Lumpy gray, six-sided crystal, long term exposure to poison, made of iron and oxygen, some used to make red paint
Definition
Hematite
Term
Found in easy to mine galena, poor conductor of electricity, can block harmful radiation
Definition
Lead
Term
Turns green when exposed to humid air, easy to shape shiny metal, electricity flows from copper
Definition
Copper
Term
_______ rocks from from molten rock called magma.
Definition
Igneous
Term
________ rocks form from layer of sediments that harden.
Definition
Sedimentary
Term
__________ rock forms when heat and pressure change the way particles in a rock are arranged.
Definition
Metamorphic
Term
Granite, pumice and basalt are examples of __________ rocks.
Definition
Igneous
Term
Limestone, sandstone and mudstone are examples of ___________ rocks.
Definition
Sedimentary
Term
Phyllite,slate and Gneiss are examples of ___________ rocks.
Definition
Metamorphic
Term
__________ is an igneous rock that cools slowly.
Definition
Granite
Term
Heat and pressure change granite to ________, a metamorphic rock.
Definition
Gneiss
Term
Rain and wind wear gneiss down. Its particls form layers that harden into sedimentary rock such as _________.
Definition
Shale
Term
Heat and pressure turn this soft rock (shale) into _______, a metamorphic rock.
Definition
Slate
Term
Heat and pressure continue changing it, and it becomes yet another metamorphic rock such as _________.
Definition
Schist
Term
Deep within the Earth it melts. It cools to become igneous rock, such as ________.
Definition
Granite
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