Unit 6 - Layers of the Earth
Inner Core
A sphere of solid iron and nickel at the center of Earth
The solid layer with plasticity in the upper mantle
Asthenosphere
The elements that make up a substance
Chemical Composition
What layer is represented by letter A?
Crust
The divisions of the composition of the Earth
Earth's Layers
What layer is represented by letter D?
Inner Core
The cool rigid outer-most layer of the Earth
Lithosphere
What layer is represented by letter B?
Mantle
The middle region of the mantle
Mesosphere
What layer is represented by letter C?
Outer Core
Characteristics that can be observed or measured without changing the substance
Physical Properties
The quality of being easily shaped or molded
Plasticity
A variable that affects the state of matter of the Earth's layers
Pressure
Mantle
The solid layer of Earth between the crust and the core
Crust
The thin and solid outermost layer of the Earth above the mantle
The Mantle is composed of --
dense silicates
The Crust is composed of --
either land or ocean
The Outer Core is composed of --
iron and nickel - in a liquid state
The Inner Core is composed of --
iron and nickel - in a solid state
Outer Core
the liquid layer of the Earth's core that lies beneath the mantle and surrounds the inner core