1. A good review…
Use this PowerPoint to review the concepts that include all the layers of the Earth. This will be one helpful source to prepare for the Earth’s Structure Quiz.

2. This layer is made of granite and basalt… A – Mantle B - Crust

3. This layer is the densest layer… A – Core B – Mesosphere

4. This layer is broken into pieces called tectonic plates…
A – Mesosphere
B – Lithosphere

5. This layer is molten and causes the magnetic poles…
A – Inner Core
B – Outer Core

6. This layer takes up the majority of Earth’s mass… A – Mantle B – Core

7. These layers are divided based on the elements they are made of…
A – Crust, mantle, and core
B – Lithosphere, Asthenosphere, Mesosphere, Outer Core, and Inner Core

8. This layer is made of Silicon (Si), Oxygen (O), and Aluminum (Al) and has a low density…
A – Asthenosphere
B – Crust

9. This layer is the rocky and rigid layer…
A – Mesosphere
B – Lithosphere

10. This layer is made of Nickel (Ni) and Iron (Fe)… A – Core B – Mantle

11. These layers are divided based on their physical state…
A – Crust, mantle, and core
B – Lithosphere, Asthenosphere, Mesosphere, Outer Core, and Inner Core

12. This is the dense and hard layer of the mantle…
A – Asthenosphere
B – Mesosphere

13. This is the layer on which the plates move…
A – Asthenosphere
B – Mesosphere

14. This layer is “flowing” similar to glass…
A – Asthenosphere
B – Lithosphere

15. This layer is under the most intense pressure…
A – Inner Core
B – Mesosphere

16. This layer is composed of Silicon (Si), Oxygen (O), and a lot of Magnesium (Mg)…
A –Mantle
B – Core