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en.wikipedia.org/wiki/Crystallization

Crystallization is the (natural or artificial) process where a solid forms where the atoms or molecules are highly organized in a structure known as a crystal. Some of the ways which crystals form are through precipitating from a ... The crystal growth is the subsequent size increase of the nuclei that succeed in achieving the ...

www.earth.northwestern.edu/people/seth/Demos/XTAL/xtal.html

Understand the effects of cooling rate on crystal size; Understand how rapid cooling ... If the magma cools quickly, the crystals do not have much time to form,  ...

www.answers.com/Q/As_the_rate_of_cooling_increase_the_size_of_the_crystals_that_form

The size of the crystals that do form are smaller/microscopic in that the time an temperature for crystals to grow is cut. ... As the rate of cooling increase the size of the crystals that form? .... The size of crystals decreases as the cooling increases.

www.coursehero.com/file/7654704/Chapter-02Test

Mar 19, 2013 ... As the rate of cooling increases (speeds up), the size of the crystals that form ... Intrusive rocks ______. a. are generally fine grained b. form at ...

issuu.com/eric410/docs/test-bank-foundations-of-earth-scie_ecfa8ffded5893

Jan 16, 2017 ... ... contains many small holes D) all of the above Answer: D Diff: 1 2) As the rate of cooling increases, the size of the crystals that form ______.

www.rsc.org/education/teachers/resources/jesei/cooling

Crystal size and cooling rate: fast and slow cooling of lead iodide: teachers' notes ... rate at which molten rock cools affects the size of the crystals that form within .... Fossil fuel, Fuels formed from the remains of plants or animals by increases in ...

www.bondhus.com/metallurgy/body-3.htm

At that point, the dendrite has reached its maximum size and is referred to as a grain ... Cooling rate If molten steel is cooled slowly, dendrites have a longer time to ... that begin growing increases, and the dendrites form quickly and begin to be  ...

www.indiana.edu/~geol105/1425chap5.htm

A) during the cooling of molten materials (steel, from lavas, igneous rocks). ... All of these minerals form through crystallization from silicate melts in the crust and mantle. ... Magma is molten silicate material and may include already formed crystals and dissolved gases ..... The rate of diffusion also increases with temperature.

www.tulane.edu/~sanelson/eens1110/igneous.htm

Sep 3, 2015 ... Volcanic or extrusive igneous rocks form when the magma cools and ... As pressure increases in the Earth, the melting temperature changes as well. .... Because cooling of the magma takes place at a different rate, the crystals that form ... Depending on size, tephra can be classified as bombs. lapilli, or ash.

www.uh.edu/~jbutler/physical/chap3mult.html

The rate of cooling of a magma or lava is reflected by the ______ of the rock. ... the crystals would have the same grain size throughout the flow ... of cavities ( bubbles) that form when gases escape from the molten rock? ... Which of the following properties increases in the direction of the arrows in the sentence above?