Chapter 15 study guide Physical Science

Ability to do work

Transfer of energy

Kinetic Energy
The energy of motion (1/2mv2)

Potential Energy
Energy that is stored (mgh)

Gravitational potential energy
PE that depends on the objects height

Elastic potential energy
PE of an object that is stretched or compressed

Mechanical energy
Energy associated with the motion and position of everyday objects

Thermal energy
The total energy related to the motion and position of everyday objects

Chemical energy
Energy stored in chemical bonds

Electrical energy
Energy associated with electric charges

Electromagnetic energy
Form of energy that travels through space in a form of waves

Nuclear energy
Energy stored in atomic nuclei

Energy conversion
Energy can be converted from one to another

Law of conservation of energy
Energy cannot be created or destroyed

Einsteins equation

Nonrenewable energy resources
Existed in limited quantities and once used cannot be replaced. Oil, natural gas, coal, and uranium

Fossil fuels
Oil, natural gas, coal are known as fossil fuels because they were formed underground from the remains of once living organisms

Renewable energy resources
Resources that can be replaced. Hydroelectric, solar, geothermal, wind, biomass, fusion

Energy obtained from flowing water

Solar energy
Sunlight that is converted into usable energy

Geothermal energy
Thermal energy beneath Earths surface

Biomass energy
Chemical energy stored in living things. Wood, corn stalks, ethanol

Energy conservation
Finding way to use less energy or use he energy more efficiently

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