i have used this ppt from someone and modified it for the use of my students

1. Layers of the Earth It’s not just a big hallow ball! Created by Jon Moss http://www.edvantaged.com

2. Layers of the Earth If we cut it in half, it would have four different layers.

3. Layers of the Earth What is a good model of the earth?

4. Layers of the Earth But first, the layers of an egg! Shell Albumen Layer “ The White Part” Yolk

5. Layers of the Earth The Incredible (But Not Quite) Edible Egg! Solid Rock Melted Rock Melted Metal Solid Metal Crust Mantle Outer Core Inner Core

6. Layers of the Earth The Incredible (and absolutely inedible) Earth Solid Rock Melted Rock Melted Metal Solid Metal Crust Mantle Outer Core Inner Core

7. Show your stuff! The Snowball Effect! What layer is this? What layer is this? What layer is this? What layer is this? CRUST MANTLE OUTER CORE INNER CORE CRUST Made of SOLID ROCK MANTLE Made of MELTED ROCK OUTER CORE Made of MELTED METAL INNER CORE Made of SOLID METAL Why is it SOLID?

10. Using Seismic waves