Earth's Layers and The Mid-Ocean Ridge

Earth's Layers and The Mid Ocean Ridge

Poll

How are we today?

• Happy

• Sad

• Hungry

• Tired

Our Earth has...Layers!

• Crust

• Mantle

• Core

The Crust

• Thinnest layer.

• We walk on here.

• With roughly 70% of it covered by Earth's Oceans

Multiple Choice

What natural phenomenon describes the movement of Earth's Crust?

• Magic

• Gravity

• Plate Tectonics

• Volcanoes

• Earthquakes

The Mantle

• Earth's thickest layer.

• Holds hot, molten rock, Magma

The Core

• Split into 2 parts

• Outer Core: Made out of liquid Iron and Nickle.

• Inner Core: Made out of solid Iron and Nickle

Multiple Choice

The Mantle is where we find what?

• Magma

• Lava

• Volcanoes

• Gold

The Mid-Ocean ridge

• Found underwater around 1952

• Older Crust is deposited into the Earth through a Trench.

• Then a New layer of Crust is made here.

Earth's Conveyor Belt

• Older crust flows into a nearby Trench.

• Magma from the Mantle becomes Lava on the surface.

• When the Lava solidifies, it creates a new layer of Crust

Multiple Choice

How do we explain the way Earth creates new layers of Crust?

• Plate Tectonics

• Continental Drift

• Baking a Pizza

• A Conveyor Belt

Poll

How do we feel about Today's Lesson?

• 100% Awesome!

• Kinda Meh :/

• I have no clue :(

• We're in class? :0

The End !!

Any Questions?