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Energy Unit

Across
A non-renewable energy resource that began to form millions of years ago from the remains of once living plants and animals. It includes petroleum, coal, and natural gas
Resources, such as wind and water, that can be recycled or replaced at a rate faster than they are consumed.
Made up of a sequence of conversions with inputs and outputs that transform an energy resource into a form usable for human work or heating
An element that releases heat as it undergoes radioactive decay
A chemical process that releases electrons from a semi-conductor material in the presence of sunlight to generate electricity.
Transformation of the energy stored in a depth of water into electricity
Down
Resources that cannot be replaced by natural processes at the same rate it is consumed
Heat energy from the earth
Energy released from plants through combustion or other chemical process
Energy transferred with the motion of air in the lower atmosphere that arises from differential heating the Earth.