Name _________________________________ HR ______ Date ________________
Metamorphic Rocks
Directions: Use the website to answer the following questions: http://library.thinkquest.org/J002289/meta.html
1. How old is the oldest known rock, which happens to be metamorphic? ____________________________
2. Metamorphic comes from the Greek words meaning ___________________________ and
____________________________.
3. Metamorphic rocks begin to form 12 – 16 kilometers beneath Earth’s surface. How many miles is that?
Use the link on the Wiki to convert kilometer to miles.
12 km = __________________________
16 km = ____________________________
4. Metamorphic rocks begin changing at temperatures of 100 degrees Celsius to 800 degrees Celsius.
Convert those temperatures to degrees Fahrenheit. Use the link on the Wiki to convert Celsius to
Fahrenheit.
100C = __________________________
800C = ____________________________
5. Where does the heat come from? _________________________________
6. Where does the pressure come from? ________________________________________________________
7. Examples of sedimentary rocks changing to metamorphic rocks.
Sandstone becomes ___________________________
Shale becomes _______________________________
Limestone becomes ___________________________
8. List at least 3 different major characteristics of metamorphic rock.


