3.1 The Rock Cycle. Rocks are solids made of one or more minerals There are three types of rocks:...
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Transcript of 3.1 The Rock Cycle. Rocks are solids made of one or more minerals There are three types of rocks:...
![Page 1: 3.1 The Rock Cycle. Rocks are solids made of one or more minerals There are three types of rocks: 1. Igneous 2. Sedimentary 3. Metamorphic.](https://reader036.fdocuments.in/reader036/viewer/2022062519/5697bfd61a28abf838cadaef/html5/thumbnails/1.jpg)
ROCKS
3.1 The Rock Cycle
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Rocks are solids made of one or more minerals There are three types of rocks:
1. Igneous 2. Sedimentary 3. Metamorphic
Together they made up the study of GEOLOGY
How do these connect to Earth and Space Science?
BIG IDEA
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They occupy 5/6 of the Earth’s Volume They make up 2/3 of the Earth’s Mass
The oldest rocks are meteorites They are 4.5 billion years old
SPACE AND TIME
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The three types of rocks are
INTERCONNECTED through the ROCK CYCLE
FORCES AND MOTION
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The appearance of a rock is affected by several
factors: What elements it’s made from Rate of cooling They way it’s compacted Amount of Heat and Pressure Exposure to types of hot fluids
Matter and Energy
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Rocks are like TIME MACHINES! By analyzing their characteristics we can learn
about conditions that existed on Earth long ago.
Earth as a System
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James Bond Island, in Phuket,
Thailand
https://www.youtube.com/watch?v=sUscvHqHkmg
Rocks are so cool they make it into famous movies!
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Find a cool rock from anywhere in the world1. Write the name2. Where in the world it is3. Include a picture4. What include the type of rock it is (igneous,
sedimentary, or metamorphic)
ePortfolio: This will be your artifact for the class.
Your Task
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https://www.youtube.com/watch?v=d68yRIE9OvQ
Back to the future, 2015?
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Rocks = COOL TIME MACHINES
In conclusion…
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1.
2.
3.1 The Rock Cycle
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A rock is a solid mass of mineral or mineral-
like matter that occurs naturally as part of our planet
Three types of rock are:1.2.3.
Definition
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When the systems interact, they cause rocks to
change from one type to another. This is called the Rock Cycle
System Interactions
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Rock Brothers https://www.youtube.com/watch?v=
9lyCYXXIHT0
Video and Worksheet
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Using the textbook (pg. 67) re-create the rock cycle
Show all the connections that can be made from one part of the rock cycle to the other
When finished, answer this question:
Question: Can a sedimentary rock become an igneous rock without changing first to a metamorphic rock? Explain
Putting the Rock Cycle Together
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1. What enables rocks to take alternate paths 2. Where does the energy that powers The
Rock Cycle come from?
ePortfolio work: 1. Upload your image of the Rock Cycle 2. Two questions from 3.1
Exceeding Questions
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1. What are the three types of rocks?
2. Place the rocks in the correct order in the rock cycle
3. What are the two types of Igneous Rocks?
https://www.youtube.com/watch?v=8MYAFfeNO00
3.1 Review
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Goals for the class:
1. Compare Extrusive and Intrusive Igneous Rocks 2. Demonstrate how the rate of cooling affects and
igneous rock’s texture 3. Classify Igneous rocks according to texture and
composition
3.2 Igneous Rocks
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INSTRUSIVE EXTRUSIVE
Definition: Rocks that form from magma that form underneath the earth’s surfaceIntrude means: Forced into an existing rockHow they form: As magma rises, it cools, allowing elements to combine and form minerals
Example: Granite
Definition: Lava cools down and hardens
Extrude means: Forced out
How they form: Magma reaches the earth’s surface as lava, cools, and hardens
Example: Rhyolite
Goal 1: Comparing Igneous Rocks
• Page 71 of the Textbook• Read about Intrusive and Extrusive Igneous Rocks and complete
The table. Use the heading as a guide.
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As Magma rises from the depths underground, it cools As it cools, elements combine and form minerals These minerals grow in size and become a solid mass of
interlocking crystals.
https://www.youtube.com/watch?v=PrN7jygu4cQ
Goal 2: Rate of cooling in Igneous Rocks
EXTRUSIVE INTRUSIVE
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Extrusive and Intrusive Igneous rocks have
different appearances. How can we group them?
at: Texture (what it feels like) Composition (what it’s made from)
Textures: Coarse-grained, fine-grained, glassy, porphyritic
Compositions: Granitic, Basaltic, Andesitic, Ultramafic
Goal 3: Classification
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Use the table provided to describe the different
textures and compositions
Textbook Reference: Page 71-72
Homework: 3.1, 3.2 ePortfolio Questions
Formative Quiz: SundayThat means it does not go on Portal but it let’s me know if you’re doing your work and if you understand the material.
Describing Texture and Composition
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Recall the Rock Cycle Write the order of the rocks and any alternate
pathways you remember Set this image aside. You will need it to
answer a question.
Warm Up!
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Recipe to make metamorphic rocks:
HEAT and PRESSURE
These forces create recrystallization in the minerals that make up the metamorphic rocks.
There is a change in shape, texture, and size Metamorphic rocks can be formed from Sedimentary
Rocks and Igneous Rocks
Question: Which one is an alternate pathway from the rock cycle?
3.4 Metamorphic Rocks
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If they require HEAT and
PRESSURE, where do you predict metamorphic rocks are formed?
How do they form?
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Contact metamorphism: Magma forces
its way into rock. Example: Marble What do you notice about the appearance?
Rock Formation
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Regional Metamorphism: As mountains are made over time, large areas as exposed to heat and pressure.
Rock Formation
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Agents of Metamorphism
1.Heat2.Pressure3. Hydrothermal solutions
1. Heat: Provides energy for the recrystallization. Temperatures range from 150-200 degrees Celsius
2. Pressure: closes any gaps underground. By compacting rocks together it can also cause recrystallization. Heat and Pressure create folding in the rock.
3. Solutions: also contribute to recrystallization because they help move ions (charged elements) They can also dissolve minerals and deposit new ones.
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https://www.youtube.com/watch?v=
kWJwJqVDUF8
Video
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Foliated- refers to the texture being layered or
banded These types of rocks are formed when many
minerals combine under extreme conditions. They are compact and dense
Classification-Foliated
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Texture does not have bands or layering These rocks are usually made from ONE
mineral Example: Marble. It is only made from calcite.
Classification-Nonfoliated
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Foliated or Nonfoliated?
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Foliated or Nonfoliated?
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Foliated or Nonfoliated?
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Foliated or Nonfoliated?
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With the information you have learned this class, summarize the information using a meme of your choiceDon’t forget to #hashtag your key words
Exit Ticket: MEME