TEST PREP

Term Definition
Chemical Stored in bonds of atoms and molecules.
Radiant Energy that comes to us in waves. Electromatic waves.
Thermal The vibration and movement of molecules.
Mechanical An objects movement creates energy.
Sound Vibrations that are transmitted through air,water or another medium and produce a sensation in the air.
Nuclear Stored in the nucleus of an atom when nucleus splits or combines.
Electrical Electrons flow and produce energy.

Conduction

Transfers heat from a warm object to a colder one through direct contact. (Have to touch).

EX. Burning logs in a fire place- New logs will burn when they are introduced to the ones that are already burning.

Convection

Transfers heat in a fluid through currents.

EX. Convection ovens allow for heat to be spread quickly and easily for baking to happen faster.

Radiation

Heat is transferred through electromatic waves.

EX. Radiation is how heat is transferred from the sun through space to earth.

Chemical Energy Chemical Energy can come from fossil fuels (coal, petroleum, natural gas)* Chemical Energy can be transformed into heat energy and electricity.
Chemical Energy Definition A form of potential energy that is stored in chemical bonds between atoms.
Electrical Energy Energy caused by the movement of electrons.
Energy Ability to do work.
Energy Transformation A process in which energy changes from one form to another form while some of the other energy is lost to the environment.
Fission The splitting of an atomic nucleus to release thermal energy.
Fusion A process in which the nuclei of two atoms combine to form a larger nucleus.
Joule A unit of work equal to one newton-meter, measurement of energy.
Kinetic Energy The energy of motion.
Mechanical Energy Kinetic or potential energy associated with the motion or position of an object.
Nuclear Energy Energy stored in the nucleus of an atom, released when nucleus splits or combines.
Potential Energy Stored energy.
Radiant Energy Energy that travels in waves, electromagnetic waves.
Thermal Energy Heat energy, the vibration and movement of molecules.
Coal Black rock burned to make electricity.
Geothermal Energy from heat inside the Earth.
Hydropower Energy from flowing water.
Biomass Energy from wood, waste, and garbage.
Wind Energy from moving air.
Uranium Energy from splitting atoms.
Propane Portable fossil fuel gas often used in grill.
Petroleum (oil) Fossil fuel for cars, trucks, and jets.
Natural Gas Fossil fuel gas moved by pipeline.
Solar Energy in rays from the sun.
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