DO NOW! How do ice cores provide a record of the earth’s climate? Happy October! 10/1/2012 How do ice cores provide a record of the earth’s climate? Explain how the earth gets colder after a volcanic eruption. How do scientists use tree rings to see yearly rainfall? What did you do this weekend?  As always please keep it CLASSROOM appropriate!

Coming Soon: New Features! Tracking corner How is your class doing on objective mastery? How are other classes doing on objective mastery? Eventually… how are YOU doing on objective mastery? Literacy board Ink Think strategies Writing in complete sentences & speaking in complete thoughts

LEQ 5 Rock & Roll How are different rocks formed and how do they shape our understanding of the earth’s crust?

What Does Crust Look Like? EVERYTHING WE TALK ABOUT TODAY HAS TO DO WITH THE CRUST A lot of the crust is hard to see because it is covered by soil, rock and water

Rocks CRUST!!!! Anywhere you can see rock, you are seeing the crust of the Earth!!! Three types of rocks you need to know: 1. Igneous rock 2. Sedimentary rock 3. Metamorphic rock

What is Igneous Rock? How does it forms? Magma (lava) from volcanoes cools down What does it look like? Glassy, Shiny, Crystals Example: Granite, Basalt

What is Sedimentary Rock? How does it form? Sediment (rock pieces and soil) is compacted or squeezed into rock What does it look like? Layers, Porous, often contains fossils Examples: Chalk, limestone, sandstone

What is Metamorphic Rock? How does it form? Many rocks are squeezed by pressure & heat, forming new rocks. Deposition: Rocks/Soil is deposited. Compaction: Rock/Soil is pushed together. Cementation: Compacted rock is heated.

What is Metamorphic Rock? What does it look like? Bands/Stripes of light and dark, Crystals Examples: Marble, slate

Let’s Sum It up with A Rap http://www.youtube.com/watch?v=rkGVE6wNAzo&list=UU2DwkfiWSqRXxZ685AiFdGQ&index=4&feature=plcp *You should be reading the lyrics and following along

CRAYON DEMONSTRATION

Each group should have… 1 lab sheet per person 2 pieces of aluminum foil 2 pieces of cardboard 1 half sheet of scrap paper 3 crayons 2 pennies 1 straw MISSING ANYTHING? Tell MS. K NOW.

Thinks to know… Instead of using a hammer, you can use a textbook, your fist, your shoe, etc. Any time your lab sheet says “heat,” come up front to use one of the candles. When you finish… Conclusion activities on the back side of your lab sheet.