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

When magma cools, crystals form because the solution is super-saturated with respect to some minerals. If the magma cools quickly, the crystals do not have ...

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

As the rate of cooling increases (speeds up), the size of the crystals that form ______. 6 ... Intrusive rocks ______. a. are generally fine grained b. form at Earth's ...

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.

www.answers.com/Q/As_the_rate_of_cooling_of_igneous_rocks_increases_the_size_of_the_crystals_that_form

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 ...

www.rsc.org/Education/Teachers/Resources/jesei/cooling/index.htm

It can be used to illustrate how the rate at which molten rock cools affects the size of the crystals that form within the solid rock – rapid cooling producing small ...

www.easynotecards.com/notecard_set/38628

As the rate of cooling increases, the size of the crystals that form ______. ... What two factors speed up rates of chemical reaction and weathering in rocks and ...

www.columbia.edu/~vjd1/igneous.htm

... on the rate of cooling of the melt: slow cooling allows large crystals to form, fast ... and by texture or grain size: intrusive rocks are course grained (all crystals ...

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?

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.