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The document outlines a classroom activity focused on the formation of crystals, specifically alum crystals, as a way to explore concepts in chemistry and earth science. It describes the process of creating a saturated solution, growing crystals, and understanding the properties of gemstones like diamonds and rubies. The activity includes objectives, materials needed, step-by-step instructions for both teacher demonstrations and student participation, as well as observation and conclusion questions to assess learning outcomes.

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What chemicals make crystals grow?

Table of Common Chemicals for Growing Crystals Chemical NameColorShape ammonium chloride colorless cubic sodium borate (borax) colorless monoclinic calcium chloride colorless hexagonal sodium nitrate colorless hexagonal28 more rows Mar 11, 2017

What substance grows crystals best?

Epsom Salt Crystals Epsom salt crystals are some of the fastest and easiest crystals to grow making them great for beginner projects. They grow in thin needle like structures. Epsom salt crystals grow so quickly that when grown properly you can have a full crystal forest in just a few hours.

How do you make alum crystals fast?

6:15 8:37 Huge alum crystals diy in supersaturated solution. - YouTube YouTube Start of suggested clip End of suggested clip Very cool if you want an even bigger crystal just leave it in the solution. And keep changing theMoreVery cool if you want an even bigger crystal just leave it in the solution. And keep changing the water for as long as you want the longer you leave it the bigger it will get.

What promotes crystal growth?

Convection may greatly enhance crystal growth rates. p ]Convection can be either free or forced. Free convection arises due to the density difference between the interfacial melt and bulk melt. Forced convection is due to the relative motion of thecrystal in the melt.

What is the best chemical for growing crystals?

Table of Common Chemicals for Growing Crystals Chemical NameColorShape sodium nitrate colorless hexagonal copper acetate (cupric acetate) green monoclinic copper sulfate (cupric sulfate) blue triclinic iron sulfate (ferrous sulfate) pale blue-green monoclinic28 more rows Mar 11, 2017

What solution makes the best crystals?

The key to either method of growing crystals is to make a supersaturated solution of water and salt or sugar. In this experiment, water is called the solvent, and the salt or sugar is called the solute. You can use regular old sugar, and either rock salt or Epsom salt.