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SCIENCE

Earth Core -Organic & Rocks & Minerals

Question Answer
Define Term: Inorganic Substance Organic
Devfine Term: Mineral Inorganic
What is the color of the mark mAde when a mineral sample is rubbed on a harder surface? Streak
What are the orderly arrangements of the particles that make up a mineral? Crystal Structure
What color is seen when you look at a mineral? Color
What word describes breaking of a mineral along smooth, straight lines or into flat sheets? Cleavage
What word describes the ability of a mineral to resist scratching? Hardness
What word describes the way a mineral reflects light? Luster
What is the scientist called that studies minerals? Mineralogist
A mineral does not break along a straight line. The uneven breaking in many directions is called..............? Fracture
The hardness of minerals is decided by comparing the results of a scratch test to what scale? MOH's
Does the body use minerals to grow and function properly? Yes, true
Name the three layers of the earth? 1. CRUST. 2. MANTLE. 3. CORE
Scientists who study the non-living parts of the earth are called what? 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 .......? Volcanos
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. Sedement
Particles in the soil that were once part of a living thin are know as ....... particles? Organic
Why would a gardener add humus to the soil? Humus is vital because it contains and maintains the vast population of microorganisms in the soil.
What is soil? What is it made of? Soil is a loose material on the earth and it is made of weathered rock.
What is man's responsibility for the resources God provides? Man's responsibility is to use the earths resources wisely
A mineral that can be cut and polished for use is a __________? Gemstone
Cubic Zirconia is man-made, or ______? Synthetic (artifical)
The strongest minerals are diamonds and what? Rubies
T/F Some minerals are also metals? True
T/F Metals are usually located in rocks called Ore's? True
T/F Metals are sometimes combined, to increase their strength? True
Some usable materials, such as minerals, are removed from the earth by the mining industry? True
What mineral is found in toothpaste? Fluorite
What mineral is found in electrical wires? Copper
What mineral is found in Fertilizer? Mica
What mineral is found in Cosmetics? Calcite
What is a precious stone? Any of several gems, such as diamonds, emeralds, rubies, and sapphire, that have high economic value because of their rarity or appearance.
Name three examples of precious stones? Diamond, Rubies, Garnets
What characteristics of metal make it useful to manufacturers of file cabinets and shelves? Metals are easily formable with the right machinery
A skilled craftsman who cuts gemstones is called what? Lapidary
What is formed from Volcanic Magma or Lava? Igneous Rock
What is formed when layers of sediment and organic material harden? Sedimentary Rock
What is formed by heat and pressure deep below the earth's crust? Metamorphic Rock
Name two types of Igneous Rock? Obsidian & Pumice
Name two types of Metamorphic Rocks? Slate & Marble
Name two types of Sedimentary Rocks? Limestone & Conglomerate
What is a hard, natural substance made of one or more minerals and sometimes organic materials called? Rock
What is a rock that forms from decayed plant matter? Coal
Slate is a Metamorphic Rock that was once a _________ rock? Sedament
Why is God often referred to in the Bible as a Rock? God is strong and reliable.
Created by: vmlmyway
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