Electricity Flashcards
What four types of energy are used in generating electricity?
chemical energy
heat energy
kinetic energy
electrical energy
What is a fossil fuel?
a fuel made from dead organisms
A fossil fuel is a non-renewable source. True or false?
true
What is carbon capture?
the process of filtering carbon dioxide from power plants and pumping it deep down into the rocks where it is solidified by the high pressure
How is coal formed?
dead plants buried under sediment of millions of years and turned to coal
How is oil formed?
small plants in the sea are eaten by sea creatures
they die and get buried in sediment
the soft parts turn to oil
How is natural gas formed?
tiny plants floating in the ocean die and get buried by sediment
they break down to form gas over millions of years.
What voltage of electricity is supplied to a UK home?
230v
What voltage of electricity is in the power station?
22000v
High current = ?
Low current = ?
= low voltage
= high voltage
