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Earth Science

Fourth Grade CORE Vocabulary

TermDefinition
humus a material in soil made up of decayed plants and animals
landform natural land feature on Earth's surface
fault break or crack in rocks where Earth's crust can move suddenly
weathering process of rocks in Earth's crust slowly being broken into smaller pieces
focus place where plants start to slip
erosion process of carrying away weathered bits of rock
reclamation process of restoring land after it has been used
epicenter point of Earth's surface that is directly above the focus of an earthquake
renewable resource resource that can be replaced
volcano opening in Earth's crust where gases, ash, and molten rock can reach the surface
nonrenewable resource resource that exists in limited amounts or is used faster than it can be replaced in nature
pollution waste from products made or used by people
Created by: lynnkeller
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