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Chapter 15 Vocab

Physical Science

TermDefinition
Energy Ability to do work.
Kinetic Energy Energy of motion.
Potential Energy Energy that is stored up as a result of a position or shape.
Gravitational Potential Energy Potential energy that depends upon an object's height.
Elastic Potential Energy The potential energy of an object that is stretched or compressed.
Mechanical Energy Energy associated with the motion and position of everyday objects.
Thermal Energy Total potential and kinetic energy of all the microscopic particles in an object.
Chemical Energy Energy stored in chemical bonds.
Electrical Energy Energy associated with electric charges.
Electromagnetic Energy Form of energy that travels through space in the form of waves.
Nuclear Energy Energy stored in atomic nuclei.
Energy Conservation The process of changing energy from one form to another.
Nonrenewable Energy Resources Exist in limited quantities and, once used, cannot be replaces except over the course of millions of years.
Fossil Fuels Oil, natural gas and coal.
Renewable Energy Resources Resources that can be replaced in a relatively short period of time.
Hydroelectric Energy Energy obtained from flowing water.
Solar Energy Sunlight that is converted into usable energy.
Geothermal Energy Thermal energy beneath the Earth's surface.
Biomass Energy Chemical energy stored in living things.
Hydrogen Fuel Cell Generates electricity by reacting hydrogen with oxygen
Energy Conservation Finding ways to use less energy or to use energy more efficiently.
Created by: vanessa.sarver