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Aidans Crossword

Across
A continent formed 250 million years ago due to plate movement.
he sideways and downward movement of the edge of a plate of the earth's crust into the mantle beneath another plate.
A boundary in which two plates slide past each other without creating or destroying lithosphere
The emission of energy as electromagnetic waves or as moving subatomic particles.
The outer solid part of the earth, including the crust and uppermost mantle
Two plates of the lithosphere coming closer together from two different directions
Seismic waves are waves of energy that travel through the core of the earth.
The solid, outermost layer of the Earth, lying above the mantle
A current in a fluid that results from convection
The site where tectonic plates move apart and new oceanic crust is created
Pressure is the force per unit area applied to a direction perpendicular to the surface of the object.
one of the sections of the earth's lithosphere, constantly moving in relation to the other sections.
Down
The mass per unit volume of a substance at a specified pressure and temperature
A solid sphere in the middle of the fluid core
a valley with steep sides; formed by a rift in the earth's crust
The gradual movement of the continents across the earth's surface
The concept that new oceanic crust is created at the mid-ocean ridge as a result of divergence between plates.
a linear feature that exists between two tectonic plates that are moving away from each other
A liquid layer about 2,260 kilometers thick
A crack in the earth's crust