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crossword puzzle for plate tectonics

Arkeria Johnson

The description of my puzzle is Plate Tectonics

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4.A solid sphere in the middle of the fluid core
6.The gradual movement of the continents across the earth's surface
10.The concept that new oceanic crust is created at the mid-ocean ridge as a result of divergence between plates.
11.A long, narrow, but very deep depression in the ocean floor
14.The theory that the earth's surface is divided into a few large, thick plates that are continually moving
16.he sideways and downward movement of the edge of a plate of the earth's crust into the mantle beneath another plate.
18.A crack in the earth's crust
19.a linear feature that exists between two tectonic plates that are moving away from each other
22.for measuring the water's depth by emitting sound pulses
24.a valley with steep sides; formed by a rift in the earth's crust
25.A continent formed 250 million years ago due to plate movement.
26.The mass per unit volume of a substance at a specified pressure and temperature
27.A liquid layer about 2,260 kilometers thick
1.A boundary in which two plates slide past each other without creating or destroying lithosphere
2.one of the sections of the earth's lithosphere, constantly moving in relation to the other sections.
3.Two plates of the lithosphere coming closer together from two different directions
5.A current in a fluid that results from convection
7.A zone of the earth's mantle that lies beneath the lithosphere
8.The layer of the Earth between the crust and the outer core
9.A theory that explains scientific observations;
12.The process by which sound waves travel through a medium.
13.The site where tectonic plates move apart and new oceanic crust is created
15.Seismic waves are waves of energy that travel through the core of the earth.
17.The solid, outermost layer of the Earth, lying above the mantle
20.The outer solid part of the earth, including the crust and uppermost mantle
21.The emission of energy as electromagnetic waves or as moving subatomic particles.
23.Pressure is the force per unit area applied to a direction perpendicular to the surface of the object.

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