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the material that forms Earth's hard surface rock
scientists who study earth geologists
features formed in rock(ex. plateau, waterfalls, canyon, moutain, desert, etc.) landforms
Earth surfaces changes its appearence due to: (2) 1. constructive forces- building up (ex. volcanos build mountains and islands2. destructive forces-wearing down erosion(ex: oceon waves wind water
how long is the Earth's radious 6,000 kilometers
scientists use ________ methods to studt earth indirect
scientists study _______________ paths to understand what the interior is made of seismic waves
as you go deeper into the earth ________ and ___________ increase pressure , temperature
3 main layers crust, mantle, core
outer layer of rock crust
_ -__ km thick is crust 5-40
the crust thicker under __________ and thinner under ___________ mountains oceans
2 kinds of crust continental oceanic
the rock that makes up the oceans crust dark, dense basalt
usually light makes up continental floor granite
middle of the earth - rigid mantle
the rigid part of crust and upper mantle lithosphere
greek word meaning stone lithos
Created by: KatieWeathersbee