1. Earth’s Structure
Lesson 58

2. Activator Complete Beneath our Feet worksheet
Work independently for 10 minutes

3. Layers of the Earth
CRUST --The thin, outermost layer of the earth is called the crust.
Only one percent of the earth's mass.
Consists of the continents and ocean basins.

4. Layers of the Earth
MANTLE -- The mantle is a dense, hot layer of semi-solid rock approximately 2,900 km thick and is composed mainly of ferro-magnesium silicates.
Where most of the internal heat of the Earth is located.

5. Layers of the Earth
OUTER CORE - A 2,200 km-thick liquid The outer core is made of iron and is very dense.
As the Earth rotates, the liquid outer core spins, creating the Earth's magnetic field.
INNER CORE -  A 1,250 km-thick solid inner core that is made of solid iron and nickel.

6. Classwork Label Earth’s Layers Pangea Brain Break
Find the hidden image