|
|
2
|
What is the last layer of the world?
|
6
|
Quartz has
|
7
|
Shapes form naturally when mixed with sand and evaporation
|
9
|
Clay has a dull or
|
10
|
A slow process when rocks are constantly being formed from one type to another
|
12
|
Gypsum has a silky or
|
13
|
Another characteristic is
|
14
|
Mica has a
|
15
|
Another characteristic is
|
17
|
What is the first layer of the world?
|
18
|
What is the second layer of the world?
|
|
|
|
|
1
|
Is a mixture of minerals
|
3
|
Forms cubic crystals
|
4
|
Quartz looks
|
5
|
Quartz forms
|
8
|
Minerals are found in the form of
|
11
|
One characteristic is
|
16
|
Quartz is a type of
|
|
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