1. Ch. 9 Lesson 1 What is the structure of Earth?

2. 4 layers of Earth

3. The Structure of Earth's Interior [01:32]

4. Another Structure of the earth animation

5. crust outermost, thinnest layer continental crust oceanic crust made of granite- incl. continents made of basalt- incl. ocean floor- 6-11 km thick

7. continental rise = beginning of oceanic crust

8. Structure of the Earth animation - Shows currents in mantle mantle solid hot rock- can flow like liquid top part + crust lithosphere

10. core- center made mostly of iron 2 parts: magnetic field outer core- liquid (flows in currents) inner core- solid

12. The Four Layers of the Earth's Interior: Inner Core, Outer Core, Mantle, and Crust [01:16]

14. 3. Test materials to see how respond to heat & pressure 2. measure earthquake vibrations- seismograph 1. study mantle material from cracks Ways scientists study Earth’s interior

15. The Mantle: The Asthenosphere, Upper Mantle, and Lower Mantle [02:29]

17. Online Quiz

18. Name that layer

31. You have now made the Layers of the Earth. *The Crust (graham crackers) *The Mantle (black cherry) * The Outer Core (orange) * The Inner Core (Nilla wafer) Draw a picture of it in your notebook, labeling it with the name of the layer and the ingredient.