Answer the following questions in your own words in the space provided. 
Points will be deducted if you copy of paste from another document or text-book.

1.    List the principal layers of that constitute the Earths interior  (75 words).            5 points

            What is the principal evidence to support our knowledge of the Earths interior?

2.    List three principal differences between rocks and minerals.              5 points
(Note: the differences must be mutually exclusive, the characteristics must not be rephrased and repeated.)
Write down the characteristics corresponding to rocks and minerals in the following columns.
Rocks                        Minerals

3.    Fill-in the following with reference to the three principal types of rocks        5 points
Name the principal type of rocks:
How is it formed?
Two examples of this type of rocks:
Name the principal type of rocks:
How is it formed?
Two examples of this type of rocks:
Name the principal type of rocks:
How is it formed?
Two examples of this type of rocks: