Introduction
Let's see what we can find!
On an Island recently purchased by Mr. Park there have been some active volcanoes.
Curious about these volcanoes Mr. Park has hired you to search for igneous rocks that may give him a bit more information about the volcanoes.
You're going to scavenger the Island in search of these rocks.
When you come across some of these stones, your job will be identifying what type of igneous rock it is based on what you see as well as a short description.
Have fun on your scavenger hunt!
Task
TASK:
be prepared to complete a few task along your way
You will be asked various question throughout your scavenger hunt.
Every time you get a correct answer you gaining steps and getting closer to your prize!!!
So don't wait any longer carry on to your next stop.
Process
Here's a link to pictures and information about the questions below. Good luck on the treasure hunt!
Rock info: https://geology.com/rocks/igneous-rocks.shtml
Questions
1) What is the key to identifying igneous (or other) rocks? Explain.
2) Name the two components which influence crystal size in an igneous rock.
3) a) What is the difference between pumice and scoria?
b) Why is scoria red?
4) Besides granite, name two other course-grained igneous rocks. What are the colors of these rocks, and what minerals do they contain?
5) What is the main difference between granite and diorite? How is this reflected in their appearance?
6) How would you describe the appearance of amphibole as compared to basalt?
7) What factor enables felsic rock to form volcanic glass like obsidian easily?
8) Look at the closeup of gabbro. Use your own words to describe what this rock looks like.
9) What does welded tuff look like? How does the website say it forms?
10) What determines the color of granite? List the minerals and the colors they shade the rock.
12) What are pegmatitic rocks? Which term used in class means the same thing?
13) List your three favorite igneous rocks and explain why you find them the most interesting.
Evaluation
Rubric
|
Objective |
Points Possible 0-5 (with the 5th point being extra for completion) |
Points Earned |
|
Accuracy of Answers |
Questions 1-13 |
|
|
Completeness of Work |
Was the questioned answered |
|
|
Teamwork |
If any, how well did the team work together |
|
|
Spelling and Grammar |
No spelling mistakes and if sentence structure made sense |
|
|
Overall Score |
5 |
Conclusion
-
We are so happy that you 8th graders joined this epic adventure of a scavenger hunt for Igneous Rocks!
-
It is okay if you were not lucky enough to find any Igneous Rocks on this specific odyssey. It is still important to decipher the differences between Igneous Rocks and Sedimentary and Metamorphic.
-
If you're a true scavenger hunt expert, continue exploring, and let your teacher know you've mastered this hunt!
-
Stay edgy rock lovers, and have a great day!
Credits
Introduction: Janae Fernandez
Task: Paula Serna
Process: Brett Leblonc
Evaluation: Celina
Conclusion: Turner White