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8 Cards in this Set
- Front
- Back
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energy |
can not be created or destroyed only transferred to different stores |
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gravitational potential |
where the height has changes climbing stairs-filling apple falling from tree -emptying |
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thermal |
state of temperature of an object boiling a kettle - filling |
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chemical |
Energy stored in the molecules of an object e.g. batteries food burns charging your phone equals chemical filling using your phone equals chemical emptying |
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kinetic |
an object that is moving Find a gun equals filling kinetic and apple falling from the tree equals emptying kinetic |
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elastical potential my |
stretching or compressing standing on a trampoline equals filling elastic |
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pathways for energy transfers |
mechanical - forces doing work radiation- lights or sounds electrical- circuits heating- changing temperature |
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efficiency |
efficiency = useful energy/ total input energy |
