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45 Cards in this Set

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Layers of the Earth
Crust, Mantle, Core
Scientists who study the nonliving parts of the earth are called _________.
Geologists
Scientists believe that the _____, the center of the earth, is very hot and under extreme pressure.
Core
The _____ makes up most of the earth's mass and is made of hot, melted rock called magma.
Mantle
Magma that comes through cracks in the surface of the earth is called _______.
Lava
The thin, outer layer of the earth is called the ______.
Crust
Bits of weathered rock, called ______, are moved by erosion and often settle at the bottom of bodies of water.
sediment
Particles in the soil that were once part of a living thing are known as _______ particles.
organic
Why would a gardener add humus to the soil?
It helps the plant stay alive
What is soil? What is it made of ?
loose material on the surfaces
What is man's responsibility for the resources God provides?
Don't made it erode too fast.
Inorganic Substance
Things that have never been alive
Mineral
An organic substances found naturally in the earth
color of the mark made when a mineral sample is rubbed on a harder surface
streak
orderly arrangement of the particles that make up a mineral
crystal structure
color seen when you look at a mineral
color
breaking of a mineral along smooth, straight lines or into flat sheets
cleavage
ability of a mineral to resist scratching
hardness
way a mineral reflects light
luster
A mineralogist is a scientist who studies minerals
true
A mineral like quartz does not break along a straight line. The uneven breaking in many directions is called fracture.
true
The hardness of minerals is decided by comparing the results of a scratch test to the Friedrich scale.
?
The body uses minerals to grow and function properly.
true
formed a volcanic magmaor lava
igneous rock
formed when layers of sediment and organic material
sedimentary rock
formed by heat and preasure deep below the earths crust
metamorphic rock
igneous rocks
pumice obsidian
metamorphic rocks
slate,marble
sedimentary rocks
limestone,conglomerate
ahard natural substance made of one or more mineralsand sometimes organic materials is called a
rock
______ is a rock that forms decayedplant matter
coal
slate is a metamorphic rockthat was once a _______ rock.
sedimentary
why is God often referredmto in the bible as a rock.
He is strong and relible.
a mineral that can be cut and polished for use is a.
gemstone
cubic zirconia is a man made,or
synthetic
the strongest minerals are dimonds and
rubies
some minerals are also metals.
true
metals are usally located in rocks called ores
true
metals are sometimes combined to increase their weight
false its strenght not weight
some usable materials,such as minerals ,are removed from the earth by the mining industry
true
toothpaste
fluorite
electrical wires
copper
fertilizer
calcite
cosmetics
mica
what characteristics of metal make it useful to manufacturers of file cabinets and shelves?
metal can be hamered into flat sheets.