Homework Earth Science 6

 

Directions: Please answer the questions below in complete sentences.

 

1) What are the 3 types of rocks found on Earth?

 

 

 

 

2) How does an igneous rock change into a sedimentary rock?

 

 

 

 

3) How does a sedimentary rock change into a metamorphic rock?

 

 

 

 

4) Below is a list of rocks. Identify what type of rock they are (pg 627-629 of your book helps):

 

a)     marble: ______________________

b)     slate: ________________________

c)      granite: ______________________

d)     shale: ________________________

e)     obsidian: ______________________

 

5) What makes rocks different from each other?

 

 

 

 

6) Describe the difference between an extrusive and an intrusive igneous rock.

 

 

 

 

7) In the rock column to the right, draw an arrow where you would find the oldest rocks. Why would you find the older rocks here?