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Mr. Vaughan Unit 7

Unit 7 - Earth's Resources

photosynthesis the process by which plants, algae, and some bacteria use sunlight, carbon dioxide, and water to make food
atmosphere a mixture of gases that surrounds a planet or moon
ultraviolet radiation invisible rays that are part of the energy that comes from the sun; ultraviolet radiation can burn the skin and cause skin cancer
ozone a gas molecule that is made up of three oxygen atoms
natural resource any natural material that is used by humans, such as water, petroleum, minerals, forests, and animals
renewable resource a natural resource that can be replaced at the same rate at which the resource is consumed
nonrenewable resource a resource that forms at a rate that is much slower than the rate at which the resource is consumed
fossil fuel a nonrenewable energy resource formed from the remains of organisms that lived long ago; examples include oil, coal, and natural gas
material resource a natural resource that humans use to make objects or to consume as food and drink
energy resource a natural resource that humans use to generate energy
energy the capacity to do work
kinetic energy the energy of an object that is due to the object's motion
potential energy the energy that an object has because of the position, condition, or chemical composition of the object
energy transformation the process of energy changing from one form to another
nuclear energy the energy released by a fission or fusion reaction; the binding energy of the atomic nucleus
fission the splitting of the nucleus of an atom into smaller atoms, releasing energy
wind energy the use of the force of moving air to drive an electric generator
hydroelectric energy electrical energy produced by the flow of water
solar energy the energy received by Earth from the sun in the form of radiation
biomass plant material, manure, or any other organic matter that is used as an energy source
geothermal energy the energy produced by heat within Earth
stewardship the careful and responsible management of a resource
conservation the wise use of and preservation of natural resources
cost-benefit analysis the process of determining whether the cost of doing something is worth the benefits
Created by: dougteach65