Layers of the earth

Mantle

Beneath the crust about 2000 yards deep made of semi solid rock

crust

Outmost layer of the earth 570 kilometers thick

Asthenosphere

The soft layer of the mantle in which tectonic plates move

Lithosphere

The solid outer layer that consists of crust

Inner core

Inner most layer 5700 degrees celcuies composed of liquid nickel and iorn

outer core

made of solid nickel and iorn 4000-6000 degrees Celsius

density

the amount of mass in a given space

tectonic plate

tectonic plates are chunks of the earth that are constantly moving

Mid ocean ridge

A long mountain chain that formson the bottom of oceanss

convection

The moving of mass due to differences in density

convection current

The circular flow of fluid caused by temperature differences, where warmer material rises and cooler material sinks, driving the movement of tectonic plates.

Theory of plate tectonics

The scientific theory that describes the large-scale motion of Earth's lithosphere, which is divided into tectonic plates that float on the semi-fluid asthenosphere underneath. This theory explains the movement of continents, earthquakes, and volcanic activity.

divergent boundary

A tectonic plate boundary where two plates move away from each other, often resulting in the formation of new crust through volcanic activity.

convergent boundary

A tectonic plate boundary where two plates move towards each other, often resulting in one plate being forced beneath the other, leading to mountain formation, earthquakes, and volcanic activity.

Transform boundary

The boundary between tectonic plates each other horizontally