Y8- Energy Adds Up Flashcards

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1
Q

Conservation of energy definition

A

energy can neither be created nor destroyed; rather, it can only be transformed or transferred from one form to another.

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2
Q

3 ways energy is transferred

A
  • convection
  • conduction
  • radiation
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3
Q

Conduction and its process .

A

Conduction is energy transmitted through a material or substance .
-particles transfer energy by colliding, and vibrating each other.

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4
Q

Convention and its process

A

It is the transfer of energy as particles rotate ,taking turns in transferring the energy .
-as a fluid heats from the bottom ,up it rises ,whilst the colder ,denser fluid sinks to take its place and heat up - the process repeating.

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5
Q

Radiation and its process.

A

Radiation is energy transmitted through waves . This works through a vacuum.

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6
Q

Definition of charge

A

Store of energy

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7
Q

Energy and power - watts the difference .

A
  • Energy can be stored , power cannot .
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