AY Honors/Crystals/Answer Key

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1

Grow your own crystals for a permanent collections from some of the following: ALUM, SALT, SUGAR, BORAX, ROCHELLE SALT (or others). Grow at least four different crystals.



2

Learn to spell and define:


2a

Efflorescent



2b

Deliquescent



2c

Piezoelectric



2d

Refraction




3

Spell, define, and memorize the six systems of symmetry.



4

Make a collection of at least 10 crystals made by nature. (Examples: quartz, iron pyrite, natural ruby, and other gemstones)



5

To show a useful electrical trait of crystals, grow a Rochelle salt crystal at least two inches thick and conduct an experiment to show the piezoelectric effect to the satisfaction of your instructor.



6

To show a useful optical trait of crystals, grow a sodium nitrate crystal at least two inches wide and demonstrate the phenomena of double refraction to the satisfaction of your instructor.



7

State at least five consumer items that require the use of crystals or are crystals in usable form.




References

Adventist Youth Honors Answer Book/Regional/flpatchnote