Science

0 18 Datenblatt kayeona1026

Lernen beginnen

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Frage		Antworten
is a skull a mineral Lernen beginnen		no its manmade
Is quartz a mineral Lernen beginnen		yes
what are minerals used for by humans Lernen beginnen		zippers, pencils, makeup
is wood a mineral Eating apples is very healthy. Lernen beginnen		no Comer manzanas es muy saludable.
what is a mineral Lernen beginnen		1. naturally organic 2. it is inorganic 3. it is a solid 4. has a crystaling structure 5. definite chemical composition
is diamond manmade? Do you know that I like you? Lernen beginnen		no its a mineral ¿Sabes que me gustas?
what is an ore Lernen beginnen		mineral deposits from which metals and nonmetals can be removed from profitably
what is a metal Lernen beginnen		1. has a shiny surface 2. mineral resource 3. good heat and light conductors 4. bend easily
what does a nonmetal have that a metal does not have Lernen beginnen		a dull surface,
what is a native element Lernen beginnen		metallic mineral
what exists in the earths crust Lernen beginnen		native element
what is contact metamorphis Lernen beginnen		when magma comes into contact with existing rock
what is a vein Lernen beginnen		when new minerals precipitate from solution and form a narrow zone of rock
define lode Lernen beginnen		when thick mineral veins form in a relatively small region which is the ore deposits
a deposit that contains a valuable mineral that has been concentrated by mechanical action Lernen beginnen		this is a placer deposit
what is a gemstone Lernen beginnen		a mineral that can be used as jewelry or an ornament when its cut and polished
what is subsurface mining Lernen beginnen		miners use this technique to find underground mineral deposits
what is surface mining Lernen beginnen		when the overlying rock material is stripped away to reveal the mineral deposits

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