Chapter 4 . ROCKS “The Mixture of Minerals”. Rock – a naturally occurring solid mixture of crystals of one or more minerals. Rock Cycle – the continual process by which new rock forms from old rock material. Rocks are always changing. The Rock Cycle.
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Heat and pressure may cause a rock to chemical change into a metamorphic rock.
If the rock gets too hot it will melt which eventually cools to form igneous rocks.Heat and Pressure
The relationship of heat and pressure: rocks as a result of flattening and stretching of mineral grains during metamorphism.Heat and Pressure
Gravitational Potential Energy – is the potential energy associated with gravitational forces, as work is required to elevate objects against Earth’s gravity.Mechanical energy
You are going to need your notebook for this activity. uplift and erosion.
In the output section record 10 rolls of the dice. (Write down what the dice said.)
You may never move from a station but continue to roll the dice at that station and write down what the dice said.
Once you have finished return to your seat.A Trip around the rock cycle
In order to identify rocks scientist break the rocks up into two categories:
Composition and Texture
Your assignment: Create a children’s story, comic strip, or some other creative story about Roger the Rock.
Roger is a rock that has been a part of the rock cycle for millions of years. Your job is to tell Roger’s story. You must describe how Roger was “born” and at least three transitions that occurred during Roger’s life. (For example, changing from igneous to sedimentary, sedimentary to metamorphic, and metamorphic to igneous.)
Your grade will be based on in-class work, the accuracy of your information, creativity, and neatness/effort. This should be a story appropriate for a children’s story (think back to 2nd grade here!), including pictures.
To earn an “A”, you need to include many details-the names of specific rock types, descriptions about what causes the changes to occur, etc.
This project will be due on the day of Chapter 4 Test. These projects will be presented by you and your partner.ROGER THE ROCK
Ridge Push – Gravitational force that causes a plate to move away from the crest of an ocean ridge, and into a subduction zone.Mechanisms that drive lithospheric plates
June 10, 1816 Connecticut
“Dear Diary, The clothes my wife had laid out to dry the day before had frozen during the night.”
These waves are more destructive than body waves and move more slowly