8th Grade HR 300 11/8

Homeroom 300 had to answer the following questions today:

1.  What are minerals?
2.  What does a molecule consist of?
3.  What is a crystal?
4.  What happnes to molecules as they change from liquid to solid states?
5.  What is a crystal?  
6.  What is the natural shape of quartz crystal?
7.  How many possible crystal arrangements are there?
8.  What 3 things can change these shapes?
9.  What conditions need to be present to form a prize crystal?
10.  Explain how the rate of evaporation can effect the shape/size of a crystal.
11.  Explain how the rate of cooling can effect the shape/size of a crystal.
12.  Do Think question #1 on pg 90
13.  What is salol?  How is it usefl to the study of crystals?
14.  Do Think question #2 on pg 90