Archive for March, 2008

Day 128: Metamorphic Rocks »

Today’s guided notes on Metamorphic Rocks was completed individually in class rather than as part of a lecture.  These notes will be reviewed together in class early next week in preparation for a rock types quiz that has been moved to Tuesday (03/11).
Following the metamorphic rocks guided notes, students completed the Chapter 2 Review from […]

Day 127: Sedimentary Rocks »

Sedimentary rocks are those that are formed by the compaction and cementation of fragments of other rocks:  sand, gravel, and other rock segments.  In today’s class, students completed the Sedimentary Rocks Notes Guide in class as a means of understanding the formation, texture, and composition of sedimentary rocks.  We then watched a brief (4-minute) video […]

Day 126: Igneous Rock ID Lab »

We had completed most of the Igneous Rock notes guide in class yesterday, but a few small details remained to be ironed out at the start of today’s class.  This included the meaning of porphyritic:  an igneous rock with two distinct crystal sizes.  This type of rock forms from either several different cooling environments or […]

Day 125: Igneous Rocks »

After tackling the Rock Cycle last week, this week we will focus on the details of the formation, composition, and texture of each of the three rock types:  Igneous, sedimentary, and metamorphic rocks.
Today’s focus is on the same rock type that Mt. Rushmore is carved out of:  igneous rocks.  We completed the Igneous Rocks Guided […]