Tuesday, August 23rd
Write in your Agenda: • 1 Metamorphic due TOMORROW
HAND IN TIER 2
Characteristics of a mineral Names of the three rocks Characteristics used to identify rocks Classification of rocks intrusive vs. extrusive Cooling rate Crystal size Coarse vs. fine grained
Are their any questions before Quiz?
Complete quiz in pencil Put in front bin when
finished Start planning for TIER 3
Project until everyone is finished
Quiz
Dichotomous Key
• A way to categorize things• Helps identify things • Two parts:1. Two part statements that
describe an organism2. Diagram showing the flow of the
rocks
Igneous Classwork Activity
Date: 8/23 Section: I Title: Dichotomous Key for
Igneous Page:
Table of Contents
Your mission….
Given the Dichotomous key, find out the name of each rock!
It’ssssssssssssssssssssssssss notes time!
Coffee Talk
Metamorphic=
Changed
1. Examples
2. How are Metamorphic Rocks
Formed? Formed under tremendous heat,
great pressure, and chemical reactions
Can cause new minerals Made at plate boundaries Metamorphism is changing one
type of rock into another as a result of heat pressure and/or chemical reaction.
a. Foliated – mineral crystals are
arranged in parallel layers or bands (ex. Schist, slate, and gneiss)
b. Nonfoliated – rocks are not banded and do not break into layers (ex. Marble and quartizite)
3. Types of Metamorphic Rocks
http://www.youtube.com/watch?v=rkGVE6wNAzo
A little Science Rap