Week 10

 1. What did you do in Lab?

  • Formative Assessment- Is it a rock?
  • Discussed "Activity Mania" 
  • Discussed Assessment
    • How do we assess our students? Tests, projects, homework assignments, observations, etc.
    • What does it mean to get an "A"?
    • Grade inflation
    • Danger of comparing students using percentages
  • Layers of the Earth
  • Convection currents
  • Starburst rock cycle

2. What was the big question?

How can we create sedimentary, igneous and metamorphic rocks with starbursts?

Sedimentary- Compacted starburst together with no heat added. 

Igneous- melted the starburst and let them cool.

Metamorphic- Compacted starburst together and use little heat so they did not melt.


3. What did you learn in Thursday Discussion?

  • Sand on the beach came from distant mountains and landforms
  • Diverging plates go away from each other. Make ridges.
  • Converging plates go towards each other. Make trenches. 
  • Hawaii hot spot
  • We measure plate movement in mm/yr
  • Oceanic plates do not move at a consistent rate
  • Extrusive: exit Earth, cool fast. Makes small crystals.
  • Intrusive: Inside the Earth, insulated by Earth. Makes large crystals. 

4. Textbook

       1. What did you learn?

  • The four layers of the Earth- Crust, mantle, outer core, inner core
  • Continental plates are thicker than oceanic plates
  • The lithosphere is the part of the Earth made of the crust and the upper molten part of the mantle
  • The ring of fire is an area in the Pacific Ocean bounded by several tectonic plates. This area has a high number of earthquakes and volcanic eruptions.
  • Effusive eruptions are when lava steadily flows out a volcano onto the ground.
  • Explosive eruptions is much more fierce and rapid.
  • The law of superposition states that deeper layers of rock are older than rocks closer to the surface.
  • The law of original horizontality states that new rock is initially formed in flat, horizontal layers.

       2. What was most helpful? 

It was helpful to compare my own research to the information found in the textbook. I found that my research on convection cells and plate tectonics for the video homework assignment was mostly accurate. There were a few things I used different terms for or was slightly off in my understanding. It was helpful to clear these misconceptions up. 

       3. What do you need more information on? 

The type of fossils and location of fossils found in Iowa. I think students would be interested in this.



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