renewable
wattss
A grammatical term which describes a list which uses commas to separate its parts.
Thermal noise
warranty
An entryway for a building that consists of four glass panels that rotate about an axis. They are used to save energy in buildings that have a lot of foot traffic, because the door is never really "open" to allow heated or cooled air to escape.
Fossil fuel.
The term is "trophic level" and it describes an organism's position in a food chain or food web based on its energy source and how it obtains energy.
The term that describes the amount of energy available to heat the Earth's land, water, and air is "solar radiation." Solar radiation, or sunlight, is the primary source of energy that heats the Earth's surface and drives weather and climate systems.
Solar energy.
Stored energy
The term for a fuel that contains an energy source which has not been converted is "primary fuel." This refers to natural resources like coal, oil, or sunlight that can be used directly without further processing.
nonrenewable energy
Power source.
nonrenewable energy
Activation energy describes the energy that is required to get chemical reactions started.
Chemotrophic
Activation energy describes the energy that is required to get chemical reactions started.