Ireland Gates

Earths solid surface containing the continents and ocean floor

the idea that many kinds form flat horizontal layers

the idea of a supercontinent split apart into peices

the idea that that new crust is at ridges in the sea floor

hot melted rock under Earths surface

 idea that Earths surface is broken into plates that slide away from each

layer beneath Earths surface

the sliding of an ocean plate when another ocean plate colide

a huge crack in Earth surface

the point where an earthquake starts

vibration that spreads away from a focus when an earth 

the  point on Earth's surface directly above the focus of an earthquake

shaking of Earth's crust after the initial shaking of an earthquake

 sensitive device that detects the shaking from a eathquake

 the amount of energy released by an earthquake

the central opening in a volcanic area through which magma can escape

magma that reaches Earth's surface and flows through a vent

a cup like hollow that forms at the top of a volcano around the vent

very hot part of the Earth's mantle

a steep sided volcano with explosive rocks

a wide, gently sloped cone that forms from flows of lava

 cone formed from explosive eruptions  then a flow of lava over and over

heat from below Earth's surface