Week 7: Rock Cycle and the Law of Superposition

Week 7: Rock Cycle and the Law of Superposition


What did you do in the lab today? 

Uncovering Student Ideas in Science - Book for lesson plans for teachers with detailed explanations. 

NOTES

Sedimentary: Cemented and compacted together 

Igneous: Melted and then cooled 

Metamorphic: Heat (not enough to melt) and pressure


We talked about Activity mania and the reasons why it was an important article for us to read. We also all shared our ideas with out table groups and then shared as a class.

We did a starburst activity where we melted and formed different types of rocks 

This showed the cycle of rocks 


 


What was the big question? 

-  What are the different types of rocks? 

- what are different rocks look like and how are they made?


 2. What did you learn in Thursday’s discussion?

We learnt about how differnet types of can float.


  1. Weathering 

  2. Sedimentary  

  3. Metamorphic (light heat and pressure) 

  4. Magma  

  5. Igneous intrusive  

  6. Igneous extrusive (volcano) 

 

Metamorphic  

  • Pressure from rocks pushing down  

  • Meta = big 

  • Morph = change 

  • Meta Morph = big change 

 

 

Igneous = born from fire  

 

 

Sediments ~ compaction and cetimentation = sedimentary rock ~ heat and pressure = metamorphic ~ melting = magma ~ cooling = Igneous rock ~ weathering and erosion = sediments  

 

 

 

What type of rock would I likely find in fossils and why?  

  • Sedimentary cus can't survive heat and pressure 

 

 

Buoyancy/What is water displacement? 

 

Can a can float? More dense than water  

 

Diet drinks float because they don’t have sugar  

 

 

Archimedes Priciples:  

 

Specific Gravity = W (air) / (W (air) - W (Water)) 

 

Specific Gravity = 127.5g /  


3. Read the online textbook

1. What did you learn? 

  • Formula for specific gravity: W(air) / (W(air)-W(water))
    • Weight of displaced liquid = weight of the object
  • The specific gravity for a geode is 2.7.
    • If the formula equals 2.7, it is likely the geode is solid quartz.
    • If the formula equals less than 2.7, the geode will be more hollow and have more crystals inside.

2. What was most helpful? 

Having the cycle being shown in a visual chart was really helpful to explain how to each type changes 

3. What do you need more information on? 

I will need to watch more videos on the theorys

4. What questions, concerns, and/or comments do you have? N/A 

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