ERTH'S SOLID, ROCKY SURFACE CONTAINING CONTINENTS ,OCEAN FLOOR

THE IDEA THAT MANY KINDS OF ROCK FORM FLAT, HORIZONTAL LAYERS

THE IDEA OF THE CONTINENTS SEPERATING

THE IDEA OF NEW CRUST FORMING AT THE RIDGES ON EITHER SIDE

HOT MOLTEN ROCK BELOW EARTH'S SURFACE

THE IDEA OF EARTH'S SURFACE IS BROKEN INTO TWO PLATES

THE LAYER BENEATH EARTH'S CRUST

THE SLIDING OF A DENSER OCEAN PLATE

THE POINT WHERE AN EARTHQUAKE STARTS

A VIBRATION THAT SPREADS WHEN AN EARTHQUAKE HAPPENS

THE POINT ON EARTHS SURFACE DIRECTLY ABOVE THE FOCAS OF AN EQ

SHAKING OF EARTHS CRUST AFTER THE SHAKING OF AN EARTHQUAKE

THE SENSITIVE DEVICE THAT DETECS HOW STRONG AN EARTHQUAKE IS

THE AMOUNT OF ENERGY RELEASED BY AN EARTHQUAKE

A CRACK IN EARTHS CRUST

THE CENTRAL OPENING IN A VOLCANIC AREA THROUGH WHICH MAGMA ESCAPE

MAGMA THAT REACHES EARTHS SURFACE AND FLOWS OUT OF A VENT

A CUPLIKE HOLLOW THAT FORMS AT THE TOP OF A VOLCANO ON THE VENT

A HOT SPOT IS A VERY HOT PART OF THE MANTLE

A STEEP-SIDED CONE THAT FORMS FROM EXPLOSIVE ERUPTIONS OF HOT ROCK

A WIDE,GENTLY SLOPED CONE THAT FORMS FROM FLOWS OF LAVA

A CONE FORMED VOLCANO OF HOT ROCKS FOLLOWED BY A FLOW OF LAVA

HEAT BELOW EARTHS SURFACE