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You Need the Following: Bill Nye Video Questions Earth’s Layers Foldable
Label Your Notecards Crust Lithosphere Mantle Outer Core Inner Core Magma Lava Convection Currents
Crust
Composition: Silicon, Oxygen, and Aluminum
Types: › Continental Crust: solid & rocky outer layer› Oceanic Crust: thin & dense material
Lithosphere
Includes the Earth’s Crust & Upper Mantle
Divided into small and large tectonic plates that help move the continental and oceanic crust
Mantle
Composition: Silicon, Oxygen, and Magnesium
Thickest layer Convection currents are located here
Outer Core
Composition: Molten (liquid) Iron & Nickle
Inner Core
Composition: Solid Iron & Nickle Solid because of the pressure from the
layers above Solid inner core spins in the molten
(liquid) outer core› Creates the Earth’s Magnetic Field
Hottest layer
Convection Currents
Happens in the Middle Mantle› Has hot, dense rock that slowly flows
Movement created moves the tectonic plates in the Lithosphere
Caused by hot material, deep in the Mantle, being heated by the Core to rise then cool and sink again
Magma
Molten rock found beneath the Earth’s surface
Lava
Molten rock found on the Earth’s surface