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MVMS 6 Science Q2

Three types of rocks Igneous, sedimentary, and metamorphic.
Igneous rocks *Formed by cooled and hardened magma from erupting volcanoes. *Crystal size is determined by cooling time.
Sedimentary rocks *Formed by sediments cementing (gluing) and compacting (pressing) together. *Relative age can be determined by fossils. *Deposition- where rocks are dropped in a new location.
Metamorphic rocks *Formed by heat and pressure. * Texture is broken into 2 groups
Fossil *The preserved remains of an ancient organism. *Found in sedimentary rocks. *The deeper it is the older it is.
Plate Movement *Move due to convection currents in the mantle. *Can produce earthquakes, volcanoes, faults, and mountains.
Plate Boundaries *convergent boundary – plates collide (move together) *divergent boundary – plates move apart. *transform fault – plate’s slide by each other.
Ring of Fire *Found along plate boundaries in the Pacific Ocean.
Crust *Solid outer layer of Earth that is broken into plates. *Formed due to seafloor spreading.
Mantle *Largest layer of the Earth. *Between the crust and the core. *Hot, both solid and a liquid
Core *Very dense. * Hottest layer. *Metal composition. *Inner layer of Earth
Layers *Temperature and pressure increase with depth. *Crust is solid with softer material in the mantle.
Created by: bonniehodder