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Energy is never lost, it is ___________ from one form to another.
A fuel is something that contains a store of ______.
Most of the electricity we use is _________ in power stations.
____ is a fossil fuel that was formed millions of years ago from plants.
Oil and ___ are fossil fuels that were formed from tiny animals and plants that lived in the sea millions of years ago.
Coal, ___ and gas are all called non-renewable fuels, this means they cannot be replaced.
A ______ is the remains of a dead animal or plant that became trapped in layers of sediment and turned into rock.
A _________ energy resource is one that can be replaced.
___________ energy can be carried on without wasting things or harming the natural world.
______ warming constitutes towards climate change.
