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4th grade chapter 5

Earth's Resources

groundwater any water that is underground
sedimentary rocks that form when layers of sediments settle on top of one another and harden
weathering process of rocks in Earth's crust slowly being broken into smaller pieces
precipitation any form of water that falls to Earth
erosion process of carrying away weathered bits of rock
metamorphic rocks that have changed as a result of heat and pressure
watercycle the movement of water from the Earth's surface to the atmosphere and back again
land form a natural land feature on Earth's surface
fault a break or crack in rocks where Earth's crust can move suddenly
streak color of the powder that a mineral leaves when it's scratched along a special plate
mineral natural nonliving solid crystals that make up rocks
cleavage properties of minerals to break along smooth flat surfaces
luster the way the surface of a mineral reflects light
igneous rocks that form from molten rock
hardness how easily the surface of a mineral can be scratched
Created by: Alvira



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