oceans - 5 large bodies of water that are connected & make up most of the Earth's water, continents - the Earth's 7 largest landmasses, magma - melted rock in the mantle, plates - large areas dividing the Earth's surface , earthquake - shaking of land that occurs when a fault moves, faults - large cracks in the Earth's crust , focus - exact place where an earthquake occurs, epicenter - place on the surface of Earth directly above the focus, tsunami - a large mass of moving water caused by a strong earthquake under the ocean , volcanoes - releases magma, cinders, ash, & gases, fossils - formed when animal tracks & imprints of plants are made in sediment , weathering - breaking apart of rocks , erosion - natural process of moving rocks & sediment, soil - mixture of rock, sediment, & organic matter, 3 ways plates move - slide, separate, & collide, crust - outermost (top) layer of Earth, mantle - layer just below the crust, outer core - 3rd layer of Earth, inner core - center of Earth, metamorphic - formed from heat & pressure, sedimentary - formed when sediment builds up & presses on lower layers of sediment, igneous - formed when magma cools & hardens below the surface or after a volcano erupts, organic layer - made of decaying plants & animals, topsoil layer - mixture of humus & sediment (worms & insects here), subsoil layer - has less humus & fewer living things, rock layer - last layer; mixture of rock & clay; no humus ,

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